Home / 1,916.88-2,868.12-1,502.88

Finding the Fourth Proportional to 1,916.88, 2,868.12 and 1,502.88

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Solution

The fourth proportional to 1,916.88, 2,868.12 and 1,502.88 is: 2,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.88 : 2,868.12 = 1,502.88 : x
  2. Step 2: Convert to fraction form
    1,916.88/2,868.12 = 1,502.88/x
  3. Step 3: Cross multiply
    1,916.88x = 2,868.12 × 1,502.88
  4. Step 4: Simplify right side
    1,916.88x = 4,310,440.19
  5. Step 5: Solve for x
    x = 4,310,440.19/1,916.88
  6. Step 6: Final answer
    x = 2,248.68

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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.