Home / 3,142.60-4,715.30-1,604.68

Finding the Fourth Proportional to 3,142.60, 4,715.30 and 1,604.68

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Solution

The fourth proportional to 3,142.60, 4,715.30 and 1,604.68 is: 2,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.60 : 4,715.30 = 1,604.68 : x
  2. Step 2: Convert to fraction form
    3,142.60/4,715.30 = 1,604.68/x
  3. Step 3: Cross multiply
    3,142.60x = 4,715.30 × 1,604.68
  4. Step 4: Simplify right side
    3,142.60x = 7,566,547.60
  5. Step 5: Solve for x
    x = 7,566,547.60/3,142.60
  6. Step 6: Final answer
    x = 2,407.73

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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.