Home / 2,862.34-4,291.84-1,693.20

Finding the Fourth Proportional to 2,862.34, 4,291.84 and 1,693.20

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Solution

The fourth proportional to 2,862.34, 4,291.84 and 1,693.20 is: 2,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.34 : 4,291.84 = 1,693.20 : x
  2. Step 2: Convert to fraction form
    2,862.34/4,291.84 = 1,693.20/x
  3. Step 3: Cross multiply
    2,862.34x = 4,291.84 × 1,693.20
  4. Step 4: Simplify right side
    2,862.34x = 7,266,952.17
  5. Step 5: Solve for x
    x = 7,266,952.17/2,862.34
  6. Step 6: Final answer
    x = 2,538.82

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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.