Home / 1,567.92-2,162.52-1,382.16

Finding the Fourth Proportional to 1,567.92, 2,162.52 and 1,382.16

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Solution

The fourth proportional to 1,567.92, 2,162.52 and 1,382.16 is: 1,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567.92 : 2,162.52 = 1,382.16 : x
  2. Step 2: Convert to fraction form
    1,567.92/2,162.52 = 1,382.16/x
  3. Step 3: Cross multiply
    1,567.92x = 2,162.52 × 1,382.16
  4. Step 4: Simplify right side
    1,567.92x = 2,988,948.64
  5. Step 5: Solve for x
    x = 2,988,948.64/1,567.92
  6. Step 6: Final answer
    x = 1,906.31

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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.