Home / 3,447.11-4,756.99-1,875.21

Finding the Fourth Proportional to 3,447.11, 4,756.99 and 1,875.21

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Solution

The fourth proportional to 3,447.11, 4,756.99 and 1,875.21 is: 2,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.11 : 4,756.99 = 1,875.21 : x
  2. Step 2: Convert to fraction form
    3,447.11/4,756.99 = 1,875.21/x
  3. Step 3: Cross multiply
    3,447.11x = 4,756.99 × 1,875.21
  4. Step 4: Simplify right side
    3,447.11x = 8,920,355.22
  5. Step 5: Solve for x
    x = 8,920,355.22/3,447.11
  6. Step 6: Final answer
    x = 2,587.78

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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.