Home / 1,862.18-2,569.29-1,065.50

Finding the Fourth Proportional to 1,862.18, 2,569.29 and 1,065.50

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Solution

The fourth proportional to 1,862.18, 2,569.29 and 1,065.50 is: 1,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.18 : 2,569.29 = 1,065.50 : x
  2. Step 2: Convert to fraction form
    1,862.18/2,569.29 = 1,065.50/x
  3. Step 3: Cross multiply
    1,862.18x = 2,569.29 × 1,065.50
  4. Step 4: Simplify right side
    1,862.18x = 2,737,578.50
  5. Step 5: Solve for x
    x = 2,737,578.50/1,862.18
  6. Step 6: Final answer
    x = 1,470.09

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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.