Home / 1,585.91-2,374.60-1,292.21

Finding the Fourth Proportional to 1,585.91, 2,374.60 and 1,292.21

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Solution

The fourth proportional to 1,585.91, 2,374.60 and 1,292.21 is: 1,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585.91 : 2,374.60 = 1,292.21 : x
  2. Step 2: Convert to fraction form
    1,585.91/2,374.60 = 1,292.21/x
  3. Step 3: Cross multiply
    1,585.91x = 2,374.60 × 1,292.21
  4. Step 4: Simplify right side
    1,585.91x = 3,068,469.99
  5. Step 5: Solve for x
    x = 3,068,469.99/1,585.91
  6. Step 6: Final answer
    x = 1,934.84

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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.