Home / 2,559.08-3,532.13-1,565.21

Finding the Fourth Proportional to 2,559.08, 3,532.13 and 1,565.21

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Solution

The fourth proportional to 2,559.08, 3,532.13 and 1,565.21 is: 2,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.08 : 3,532.13 = 1,565.21 : x
  2. Step 2: Convert to fraction form
    2,559.08/3,532.13 = 1,565.21/x
  3. Step 3: Cross multiply
    2,559.08x = 3,532.13 × 1,565.21
  4. Step 4: Simplify right side
    2,559.08x = 5,528,499.71
  5. Step 5: Solve for x
    x = 5,528,499.71/2,559.08
  6. Step 6: Final answer
    x = 2,160.35

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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.