Home / 1,852.19-2,555.99-1,106.31

Finding the Fourth Proportional to 1,852.19, 2,555.99 and 1,106.31

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Solution

The fourth proportional to 1,852.19, 2,555.99 and 1,106.31 is: 1,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.19 : 2,555.99 = 1,106.31 : x
  2. Step 2: Convert to fraction form
    1,852.19/2,555.99 = 1,106.31/x
  3. Step 3: Cross multiply
    1,852.19x = 2,555.99 × 1,106.31
  4. Step 4: Simplify right side
    1,852.19x = 2,827,718.16
  5. Step 5: Solve for x
    x = 2,827,718.16/1,852.19
  6. Step 6: Final answer
    x = 1,526.69

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Half scale
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Double scale
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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.