Home / 1,565.68-2,145.14-1,545.16

Finding the Fourth Proportional to 1,565.68, 2,145.14 and 1,545.16

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Solution

The fourth proportional to 1,565.68, 2,145.14 and 1,545.16 is: 2,117.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.68 : 2,145.14 = 1,545.16 : x
  2. Step 2: Convert to fraction form
    1,565.68/2,145.14 = 1,545.16/x
  3. Step 3: Cross multiply
    1,565.68x = 2,145.14 × 1,545.16
  4. Step 4: Simplify right side
    1,565.68x = 3,314,584.52
  5. Step 5: Solve for x
    x = 3,314,584.52/1,565.68
  6. Step 6: Final answer
    x = 2,117.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.