Home / 2,429.85-3,352.55-1,642.53

Finding the Fourth Proportional to 2,429.85, 3,352.55 and 1,642.53

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Solution

The fourth proportional to 2,429.85, 3,352.55 and 1,642.53 is: 2,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.85 : 3,352.55 = 1,642.53 : x
  2. Step 2: Convert to fraction form
    2,429.85/3,352.55 = 1,642.53/x
  3. Step 3: Cross multiply
    2,429.85x = 3,352.55 × 1,642.53
  4. Step 4: Simplify right side
    2,429.85x = 5,506,655.74
  5. Step 5: Solve for x
    x = 5,506,655.74/2,429.85
  6. Step 6: Final answer
    x = 2,266.25

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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.