Home / 2,167.27-2,988.98-1,411.23

Finding the Fourth Proportional to 2,167.27, 2,988.98 and 1,411.23

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Solution

The fourth proportional to 2,167.27, 2,988.98 and 1,411.23 is: 1,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.27 : 2,988.98 = 1,411.23 : x
  2. Step 2: Convert to fraction form
    2,167.27/2,988.98 = 1,411.23/x
  3. Step 3: Cross multiply
    2,167.27x = 2,988.98 × 1,411.23
  4. Step 4: Simplify right side
    2,167.27x = 4,218,131.19
  5. Step 5: Solve for x
    x = 4,218,131.19/2,167.27
  6. Step 6: Final answer
    x = 1,946.29

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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.