Home / 2,349.90-3,243.29-1,355.04

Finding the Fourth Proportional to 2,349.90, 3,243.29 and 1,355.04

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Solution

The fourth proportional to 2,349.90, 3,243.29 and 1,355.04 is: 1,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.90 : 3,243.29 = 1,355.04 : x
  2. Step 2: Convert to fraction form
    2,349.90/3,243.29 = 1,355.04/x
  3. Step 3: Cross multiply
    2,349.90x = 3,243.29 × 1,355.04
  4. Step 4: Simplify right side
    2,349.90x = 4,394,780.91
  5. Step 5: Solve for x
    x = 4,394,780.91/2,349.90
  6. Step 6: Final answer
    x = 1,870.20

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1.5x scale

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.