Home / 3,587.55-4,951.28-2,015.64

Finding the Fourth Proportional to 3,587.55, 4,951.28 and 2,015.64

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Solution

The fourth proportional to 3,587.55, 4,951.28 and 2,015.64 is: 2,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.55 : 4,951.28 = 2,015.64 : x
  2. Step 2: Convert to fraction form
    3,587.55/4,951.28 = 2,015.64/x
  3. Step 3: Cross multiply
    3,587.55x = 4,951.28 × 2,015.64
  4. Step 4: Simplify right side
    3,587.55x = 9,979,998.02
  5. Step 5: Solve for x
    x = 9,979,998.02/3,587.55
  6. Step 6: Final answer
    x = 2,781.84

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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.