Home / 2,929.40-4,372.93-2,491.88

Finding the Fourth Proportional to 2,929.40, 4,372.93 and 2,491.88

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Solution

The fourth proportional to 2,929.40, 4,372.93 and 2,491.88 is: 3,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.40 : 4,372.93 = 2,491.88 : x
  2. Step 2: Convert to fraction form
    2,929.40/4,372.93 = 2,491.88/x
  3. Step 3: Cross multiply
    2,929.40x = 4,372.93 × 2,491.88
  4. Step 4: Simplify right side
    2,929.40x = 10,896,816.81
  5. Step 5: Solve for x
    x = 10,896,816.81/2,929.40
  6. Step 6: Final answer
    x = 3,719.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.