Home / 3,538.78-4,884.10-3,445.18

Finding the Fourth Proportional to 3,538.78, 4,884.10 and 3,445.18

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Solution

The fourth proportional to 3,538.78, 4,884.10 and 3,445.18 is: 4,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.78 : 4,884.10 = 3,445.18 : x
  2. Step 2: Convert to fraction form
    3,538.78/4,884.10 = 3,445.18/x
  3. Step 3: Cross multiply
    3,538.78x = 4,884.10 × 3,445.18
  4. Step 4: Simplify right side
    3,538.78x = 16,826,603.64
  5. Step 5: Solve for x
    x = 16,826,603.64/3,538.78
  6. Step 6: Final answer
    x = 4,754.92

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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.