Home / 2,926.68-4,387.64-1,281.98

Finding the Fourth Proportional to 2,926.68, 4,387.64 and 1,281.98

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Solution

The fourth proportional to 2,926.68, 4,387.64 and 1,281.98 is: 1,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.68 : 4,387.64 = 1,281.98 : x
  2. Step 2: Convert to fraction form
    2,926.68/4,387.64 = 1,281.98/x
  3. Step 3: Cross multiply
    2,926.68x = 4,387.64 × 1,281.98
  4. Step 4: Simplify right side
    2,926.68x = 5,624,838.38
  5. Step 5: Solve for x
    x = 5,624,838.38/2,926.68
  6. Step 6: Final answer
    x = 1,921.92

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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.