Home / 2,637.74-3,955.46-1,251.47

Finding the Fourth Proportional to 2,637.74, 3,955.46 and 1,251.47

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Solution

The fourth proportional to 2,637.74, 3,955.46 and 1,251.47 is: 1,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.74 : 3,955.46 = 1,251.47 : x
  2. Step 2: Convert to fraction form
    2,637.74/3,955.46 = 1,251.47/x
  3. Step 3: Cross multiply
    2,637.74x = 3,955.46 × 1,251.47
  4. Step 4: Simplify right side
    2,637.74x = 4,950,146.29
  5. Step 5: Solve for x
    x = 4,950,146.29/2,637.74
  6. Step 6: Final answer
    x = 1,876.66

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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.