Home / 3,447.12-4,756.96-1,875.20

Finding the Fourth Proportional to 3,447.12, 4,756.96 and 1,875.20

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Solution

The fourth proportional to 3,447.12, 4,756.96 and 1,875.20 is: 2,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.12 : 4,756.96 = 1,875.20 : x
  2. Step 2: Convert to fraction form
    3,447.12/4,756.96 = 1,875.20/x
  3. Step 3: Cross multiply
    3,447.12x = 4,756.96 × 1,875.20
  4. Step 4: Simplify right side
    3,447.12x = 8,920,251.39
  5. Step 5: Solve for x
    x = 8,920,251.39/3,447.12
  6. Step 6: Final answer
    x = 2,587.74

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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.