Home / 3,256.68-4,887.45-2,615.16

Finding the Fourth Proportional to 3,256.68, 4,887.45 and 2,615.16

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Solution

The fourth proportional to 3,256.68, 4,887.45 and 2,615.16 is: 3,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.68 : 4,887.45 = 2,615.16 : x
  2. Step 2: Convert to fraction form
    3,256.68/4,887.45 = 2,615.16/x
  3. Step 3: Cross multiply
    3,256.68x = 4,887.45 × 2,615.16
  4. Step 4: Simplify right side
    3,256.68x = 12,781,463.74
  5. Step 5: Solve for x
    x = 12,781,463.74/3,256.68
  6. Step 6: Final answer
    x = 3,924.69

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1.5x scale

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.