Home / 2,658.48-3,668.14-1,539.35

Finding the Fourth Proportional to 2,658.48, 3,668.14 and 1,539.35

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Solution

The fourth proportional to 2,658.48, 3,668.14 and 1,539.35 is: 2,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.48 : 3,668.14 = 1,539.35 : x
  2. Step 2: Convert to fraction form
    2,658.48/3,668.14 = 1,539.35/x
  3. Step 3: Cross multiply
    2,658.48x = 3,668.14 × 1,539.35
  4. Step 4: Simplify right side
    2,658.48x = 5,646,551.31
  5. Step 5: Solve for x
    x = 5,646,551.31/2,658.48
  6. Step 6: Final answer
    x = 2,123.98

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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.