Home / 1,497.16-2,068.35-999.61

Finding the Fourth Proportional to 1,497.16, 2,068.35 and 999.61

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Solution

The fourth proportional to 1,497.16, 2,068.35 and 999.61 is: 1,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497.16 : 2,068.35 = 999.61 : x
  2. Step 2: Convert to fraction form
    1,497.16/2,068.35 = 999.61/x
  3. Step 3: Cross multiply
    1,497.16x = 2,068.35 × 999.61
  4. Step 4: Simplify right side
    1,497.16x = 2,067,543.34
  5. Step 5: Solve for x
    x = 2,067,543.34/1,497.16
  6. Step 6: Final answer
    x = 1,380.98

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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.