Home / 1,473.15-2,032.10-920.19

Finding the Fourth Proportional to 1,473.15, 2,032.10 and 920.19

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Solution

The fourth proportional to 1,473.15, 2,032.10 and 920.19 is: 1,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.15 : 2,032.10 = 920.19 : x
  2. Step 2: Convert to fraction form
    1,473.15/2,032.10 = 920.19/x
  3. Step 3: Cross multiply
    1,473.15x = 2,032.10 × 920.19
  4. Step 4: Simplify right side
    1,473.15x = 1,869,918.10
  5. Step 5: Solve for x
    x = 1,869,918.10/1,473.15
  6. Step 6: Final answer
    x = 1,269.33

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,474.15, 2,033.48 and 921.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.