Home / 1,587.60-2,191.68-1,462.68

Finding the Fourth Proportional to 1,587.60, 2,191.68 and 1,462.68

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Solution

The fourth proportional to 1,587.60, 2,191.68 and 1,462.68 is: 2,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.60 : 2,191.68 = 1,462.68 : x
  2. Step 2: Convert to fraction form
    1,587.60/2,191.68 = 1,462.68/x
  3. Step 3: Cross multiply
    1,587.60x = 2,191.68 × 1,462.68
  4. Step 4: Simplify right side
    1,587.60x = 3,205,726.50
  5. Step 5: Solve for x
    x = 3,205,726.50/1,587.60
  6. Step 6: Final answer
    x = 2,019.23

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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.