Home / 3,539.12-5,307.46-1,348.47

Finding the Fourth Proportional to 3,539.12, 5,307.46 and 1,348.47

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Solution

The fourth proportional to 3,539.12, 5,307.46 and 1,348.47 is: 2,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.12 : 5,307.46 = 1,348.47 : x
  2. Step 2: Convert to fraction form
    3,539.12/5,307.46 = 1,348.47/x
  3. Step 3: Cross multiply
    3,539.12x = 5,307.46 × 1,348.47
  4. Step 4: Simplify right side
    3,539.12x = 7,156,947.22
  5. Step 5: Solve for x
    x = 7,156,947.22/3,539.12
  6. Step 6: Final answer
    x = 2,022.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.