Home / 3,672.30-5,508.40-1,207.10

Finding the Fourth Proportional to 3,672.30, 5,508.40 and 1,207.10

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Solution

The fourth proportional to 3,672.30, 5,508.40 and 1,207.10 is: 1,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.30 : 5,508.40 = 1,207.10 : x
  2. Step 2: Convert to fraction form
    3,672.30/5,508.40 = 1,207.10/x
  3. Step 3: Cross multiply
    3,672.30x = 5,508.40 × 1,207.10
  4. Step 4: Simplify right side
    3,672.30x = 6,649,189.64
  5. Step 5: Solve for x
    x = 6,649,189.64/3,672.30
  6. Step 6: Final answer
    x = 1,810.63

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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.