Home / 3,447.06-4,756.98-1,875.15

Finding the Fourth Proportional to 3,447.06, 4,756.98 and 1,875.15

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Solution

The fourth proportional to 3,447.06, 4,756.98 and 1,875.15 is: 2,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.06 : 4,756.98 = 1,875.15 : x
  2. Step 2: Convert to fraction form
    3,447.06/4,756.98 = 1,875.15/x
  3. Step 3: Cross multiply
    3,447.06x = 4,756.98 × 1,875.15
  4. Step 4: Simplify right side
    3,447.06x = 8,920,047.53
  5. Step 5: Solve for x
    x = 8,920,047.53/3,447.06
  6. Step 6: Final answer
    x = 2,587.73

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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.