Home / 3,587.52-4,951.08-2,015.76

Finding the Fourth Proportional to 3,587.52, 4,951.08 and 2,015.76

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Solution

The fourth proportional to 3,587.52, 4,951.08 and 2,015.76 is: 2,781.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.52 : 4,951.08 = 2,015.76 : x
  2. Step 2: Convert to fraction form
    3,587.52/4,951.08 = 2,015.76/x
  3. Step 3: Cross multiply
    3,587.52x = 4,951.08 × 2,015.76
  4. Step 4: Simplify right side
    3,587.52x = 9,980,189.02
  5. Step 5: Solve for x
    x = 9,980,189.02/3,587.52
  6. Step 6: Final answer
    x = 2,781.92

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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.