Home / 1,565.03-2,158.40-1,033.93

Finding the Fourth Proportional to 1,565.03, 2,158.40 and 1,033.93

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Solution

The fourth proportional to 1,565.03, 2,158.40 and 1,033.93 is: 1,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.03 : 2,158.40 = 1,033.93 : x
  2. Step 2: Convert to fraction form
    1,565.03/2,158.40 = 1,033.93/x
  3. Step 3: Cross multiply
    1,565.03x = 2,158.40 × 1,033.93
  4. Step 4: Simplify right side
    1,565.03x = 2,231,645.96
  5. Step 5: Solve for x
    x = 2,231,645.96/1,565.03
  6. Step 6: Final answer
    x = 1,425.95

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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.