Home / 2,316.70-3,197.02-1,254.47

Finding the Fourth Proportional to 2,316.70, 3,197.02 and 1,254.47

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Solution

The fourth proportional to 2,316.70, 3,197.02 and 1,254.47 is: 1,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.70 : 3,197.02 = 1,254.47 : x
  2. Step 2: Convert to fraction form
    2,316.70/3,197.02 = 1,254.47/x
  3. Step 3: Cross multiply
    2,316.70x = 3,197.02 × 1,254.47
  4. Step 4: Simplify right side
    2,316.70x = 4,010,565.68
  5. Step 5: Solve for x
    x = 4,010,565.68/2,316.70
  6. Step 6: Final answer
    x = 1,731.15

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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.