Home / 3,447.61-4,757.68-1,875.71

Finding the Fourth Proportional to 3,447.61, 4,757.68 and 1,875.71

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Solution

The fourth proportional to 3,447.61, 4,757.68 and 1,875.71 is: 2,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.61 : 4,757.68 = 1,875.71 : x
  2. Step 2: Convert to fraction form
    3,447.61/4,757.68 = 1,875.71/x
  3. Step 3: Cross multiply
    3,447.61x = 4,757.68 × 1,875.71
  4. Step 4: Simplify right side
    3,447.61x = 8,924,004.88
  5. Step 5: Solve for x
    x = 8,924,004.88/3,447.61
  6. Step 6: Final answer
    x = 2,588.46

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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.