Home / 3,276.47-4,913.65-1,427.04

Finding the Fourth Proportional to 3,276.47, 4,913.65 and 1,427.04

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Solution

The fourth proportional to 3,276.47, 4,913.65 and 1,427.04 is: 2,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.47 : 4,913.65 = 1,427.04 : x
  2. Step 2: Convert to fraction form
    3,276.47/4,913.65 = 1,427.04/x
  3. Step 3: Cross multiply
    3,276.47x = 4,913.65 × 1,427.04
  4. Step 4: Simplify right side
    3,276.47x = 7,011,971.53
  5. Step 5: Solve for x
    x = 7,011,971.53/3,276.47
  6. Step 6: Final answer
    x = 2,140.10

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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.