Home / 3,013.47-4,158.68-1,755.32

Finding the Fourth Proportional to 3,013.47, 4,158.68 and 1,755.32

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Solution

The fourth proportional to 3,013.47, 4,158.68 and 1,755.32 is: 2,422.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.47 : 4,158.68 = 1,755.32 : x
  2. Step 2: Convert to fraction form
    3,013.47/4,158.68 = 1,755.32/x
  3. Step 3: Cross multiply
    3,013.47x = 4,158.68 × 1,755.32
  4. Step 4: Simplify right side
    3,013.47x = 7,299,784.61
  5. Step 5: Solve for x
    x = 7,299,784.61/3,013.47
  6. Step 6: Final answer
    x = 2,422.39

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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.