Home / 1,534.13-2,117.08-904.64

Finding the Fourth Proportional to 1,534.13, 2,117.08 and 904.64

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Solution

The fourth proportional to 1,534.13, 2,117.08 and 904.64 is: 1,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.13 : 2,117.08 = 904.64 : x
  2. Step 2: Convert to fraction form
    1,534.13/2,117.08 = 904.64/x
  3. Step 3: Cross multiply
    1,534.13x = 2,117.08 × 904.64
  4. Step 4: Simplify right side
    1,534.13x = 1,915,195.25
  5. Step 5: Solve for x
    x = 1,915,195.25/1,534.13
  6. Step 6: Final answer
    x = 1,248.39

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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.