Home / 2,862.16-3,948.84-1,666.60

Finding the Fourth Proportional to 2,862.16, 3,948.84 and 1,666.60

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Solution

The fourth proportional to 2,862.16, 3,948.84 and 1,666.60 is: 2,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.16 : 3,948.84 = 1,666.60 : x
  2. Step 2: Convert to fraction form
    2,862.16/3,948.84 = 1,666.60/x
  3. Step 3: Cross multiply
    2,862.16x = 3,948.84 × 1,666.60
  4. Step 4: Simplify right side
    2,862.16x = 6,581,136.74
  5. Step 5: Solve for x
    x = 6,581,136.74/2,862.16
  6. Step 6: Final answer
    x = 2,299.36

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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.