Home / 1,565.96-2,160.08-1,006.24

Finding the Fourth Proportional to 1,565.96, 2,160.08 and 1,006.24

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Solution

The fourth proportional to 1,565.96, 2,160.08 and 1,006.24 is: 1,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.96 : 2,160.08 = 1,006.24 : x
  2. Step 2: Convert to fraction form
    1,565.96/2,160.08 = 1,006.24/x
  3. Step 3: Cross multiply
    1,565.96x = 2,160.08 × 1,006.24
  4. Step 4: Simplify right side
    1,565.96x = 2,173,558.90
  5. Step 5: Solve for x
    x = 2,173,558.90/1,565.96
  6. Step 6: Final answer
    x = 1,388.00

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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.