Home / 3,445.84-4,755.72-2,187.52

Finding the Fourth Proportional to 3,445.84, 4,755.72 and 2,187.52

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Solution

The fourth proportional to 3,445.84, 4,755.72 and 2,187.52 is: 3,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.84 : 4,755.72 = 2,187.52 : x
  2. Step 2: Convert to fraction form
    3,445.84/4,755.72 = 2,187.52/x
  3. Step 3: Cross multiply
    3,445.84x = 4,755.72 × 2,187.52
  4. Step 4: Simplify right side
    3,445.84x = 10,403,232.61
  5. Step 5: Solve for x
    x = 10,403,232.61/3,445.84
  6. Step 6: Final answer
    x = 3,019.07

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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.