Home / 2,046.71-3,070-1,122.70

Finding the Fourth Proportional to 2,046.71, 3,070 and 1,122.70

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Solution

The fourth proportional to 2,046.71, 3,070 and 1,122.70 is: 1,684.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.71 : 3,070 = 1,122.70 : x
  2. Step 2: Convert to fraction form
    2,046.71/3,070 = 1,122.70/x
  3. Step 3: Cross multiply
    2,046.71x = 3,070 × 1,122.70
  4. Step 4: Simplify right side
    2,046.71x = 3,446,689
  5. Step 5: Solve for x
    x = 3,446,689/2,046.71
  6. Step 6: Final answer
    x = 1,684.01

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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.