Home / 2,926.40-4,385.76-1,521.44

Finding the Fourth Proportional to 2,926.40, 4,385.76 and 1,521.44

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Solution

The fourth proportional to 2,926.40, 4,385.76 and 1,521.44 is: 2,280.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.40 : 4,385.76 = 1,521.44 : x
  2. Step 2: Convert to fraction form
    2,926.40/4,385.76 = 1,521.44/x
  3. Step 3: Cross multiply
    2,926.40x = 4,385.76 × 1,521.44
  4. Step 4: Simplify right side
    2,926.40x = 6,672,670.69
  5. Step 5: Solve for x
    x = 6,672,670.69/2,926.40
  6. Step 6: Final answer
    x = 2,280.16

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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.