Home / 2,582.28-3,871.08-1,658.52

Finding the Fourth Proportional to 2,582.28, 3,871.08 and 1,658.52

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Solution

The fourth proportional to 2,582.28, 3,871.08 and 1,658.52 is: 2,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.28 : 3,871.08 = 1,658.52 : x
  2. Step 2: Convert to fraction form
    2,582.28/3,871.08 = 1,658.52/x
  3. Step 3: Cross multiply
    2,582.28x = 3,871.08 × 1,658.52
  4. Step 4: Simplify right side
    2,582.28x = 6,420,263.60
  5. Step 5: Solve for x
    x = 6,420,263.60/2,582.28
  6. Step 6: Final answer
    x = 2,486.28

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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.