Home / 1,456.95-2,176.42-1,310.47

Finding the Fourth Proportional to 1,456.95, 2,176.42 and 1,310.47

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Solution

The fourth proportional to 1,456.95, 2,176.42 and 1,310.47 is: 1,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.95 : 2,176.42 = 1,310.47 : x
  2. Step 2: Convert to fraction form
    1,456.95/2,176.42 = 1,310.47/x
  3. Step 3: Cross multiply
    1,456.95x = 2,176.42 × 1,310.47
  4. Step 4: Simplify right side
    1,456.95x = 2,852,133.12
  5. Step 5: Solve for x
    x = 2,852,133.12/1,456.95
  6. Step 6: Final answer
    x = 1,957.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.