Home / 2,124.52-2,930.85-1,327.58

Finding the Fourth Proportional to 2,124.52, 2,930.85 and 1,327.58

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Solution

The fourth proportional to 2,124.52, 2,930.85 and 1,327.58 is: 1,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.52 : 2,930.85 = 1,327.58 : x
  2. Step 2: Convert to fraction form
    2,124.52/2,930.85 = 1,327.58/x
  3. Step 3: Cross multiply
    2,124.52x = 2,930.85 × 1,327.58
  4. Step 4: Simplify right side
    2,124.52x = 3,890,937.84
  5. Step 5: Solve for x
    x = 3,890,937.84/2,124.52
  6. Step 6: Final answer
    x = 1,831.44

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1.5x scale

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.