Home / 3,165.39-4,748.89-1,217.07

Finding the Fourth Proportional to 3,165.39, 4,748.89 and 1,217.07

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Solution

The fourth proportional to 3,165.39, 4,748.89 and 1,217.07 is: 1,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.39 : 4,748.89 = 1,217.07 : x
  2. Step 2: Convert to fraction form
    3,165.39/4,748.89 = 1,217.07/x
  3. Step 3: Cross multiply
    3,165.39x = 4,748.89 × 1,217.07
  4. Step 4: Simplify right side
    3,165.39x = 5,779,731.55
  5. Step 5: Solve for x
    x = 5,779,731.55/3,165.39
  6. Step 6: Final answer
    x = 1,825.91

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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.