Home / 1,565.12-2,344.79-1,357.35

Finding the Fourth Proportional to 1,565.12, 2,344.79 and 1,357.35

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Solution

The fourth proportional to 1,565.12, 2,344.79 and 1,357.35 is: 2,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.12 : 2,344.79 = 1,357.35 : x
  2. Step 2: Convert to fraction form
    1,565.12/2,344.79 = 1,357.35/x
  3. Step 3: Cross multiply
    1,565.12x = 2,344.79 × 1,357.35
  4. Step 4: Simplify right side
    1,565.12x = 3,182,703.18
  5. Step 5: Solve for x
    x = 3,182,703.18/1,565.12
  6. Step 6: Final answer
    x = 2,033.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.