Home / 3,255.04-4,885.29-1,407.57

Finding the Fourth Proportional to 3,255.04, 4,885.29 and 1,407.57

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Solution

The fourth proportional to 3,255.04, 4,885.29 and 1,407.57 is: 2,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.04 : 4,885.29 = 1,407.57 : x
  2. Step 2: Convert to fraction form
    3,255.04/4,885.29 = 1,407.57/x
  3. Step 3: Cross multiply
    3,255.04x = 4,885.29 × 1,407.57
  4. Step 4: Simplify right side
    3,255.04x = 6,876,387.65
  5. Step 5: Solve for x
    x = 6,876,387.65/3,255.04
  6. Step 6: Final answer
    x = 2,112.54

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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.