Home / 2,499.90-3,445.75-1,772.53

Finding the Fourth Proportional to 2,499.90, 3,445.75 and 1,772.53

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Solution

The fourth proportional to 2,499.90, 3,445.75 and 1,772.53 is: 2,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.90 : 3,445.75 = 1,772.53 : x
  2. Step 2: Convert to fraction form
    2,499.90/3,445.75 = 1,772.53/x
  3. Step 3: Cross multiply
    2,499.90x = 3,445.75 × 1,772.53
  4. Step 4: Simplify right side
    2,499.90x = 6,107,703.25
  5. Step 5: Solve for x
    x = 6,107,703.25/2,499.90
  6. Step 6: Final answer
    x = 2,443.18

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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.