Home / 1,592.19-2,386.26-862.38

Finding the Fourth Proportional to 1,592.19, 2,386.26 and 862.38

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Solution

The fourth proportional to 1,592.19, 2,386.26 and 862.38 is: 1,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.19 : 2,386.26 = 862.38 : x
  2. Step 2: Convert to fraction form
    1,592.19/2,386.26 = 862.38/x
  3. Step 3: Cross multiply
    1,592.19x = 2,386.26 × 862.38
  4. Step 4: Simplify right side
    1,592.19x = 2,057,862.90
  5. Step 5: Solve for x
    x = 2,057,862.90/1,592.19
  6. Step 6: Final answer
    x = 1,292.47

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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.