Home / 4,259.76-5,878.05-2,491.02

Finding the Fourth Proportional to 4,259.76, 5,878.05 and 2,491.02

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Solution

The fourth proportional to 4,259.76, 5,878.05 and 2,491.02 is: 3,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.76 : 5,878.05 = 2,491.02 : x
  2. Step 2: Convert to fraction form
    4,259.76/5,878.05 = 2,491.02/x
  3. Step 3: Cross multiply
    4,259.76x = 5,878.05 × 2,491.02
  4. Step 4: Simplify right side
    4,259.76x = 14,642,340.11
  5. Step 5: Solve for x
    x = 14,642,340.11/4,259.76
  6. Step 6: Final answer
    x = 3,437.36

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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.