Home / 2,506.55-3,458.97-1,387.46

Finding the Fourth Proportional to 2,506.55, 3,458.97 and 1,387.46

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Solution

The fourth proportional to 2,506.55, 3,458.97 and 1,387.46 is: 1,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.55 : 3,458.97 = 1,387.46 : x
  2. Step 2: Convert to fraction form
    2,506.55/3,458.97 = 1,387.46/x
  3. Step 3: Cross multiply
    2,506.55x = 3,458.97 × 1,387.46
  4. Step 4: Simplify right side
    2,506.55x = 4,799,182.52
  5. Step 5: Solve for x
    x = 4,799,182.52/2,506.55
  6. Step 6: Final answer
    x = 1,914.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.