Home / 2,948.29-4,068.29-1,689.27

Finding the Fourth Proportional to 2,948.29, 4,068.29 and 1,689.27

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Solution

The fourth proportional to 2,948.29, 4,068.29 and 1,689.27 is: 2,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.29 : 4,068.29 = 1,689.27 : x
  2. Step 2: Convert to fraction form
    2,948.29/4,068.29 = 1,689.27/x
  3. Step 3: Cross multiply
    2,948.29x = 4,068.29 × 1,689.27
  4. Step 4: Simplify right side
    2,948.29x = 6,872,411.46
  5. Step 5: Solve for x
    x = 6,872,411.46/2,948.29
  6. Step 6: Final answer
    x = 2,330.99

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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.