Home / 2,433.40-3,652.80-1,339.90

Finding the Fourth Proportional to 2,433.40, 3,652.80 and 1,339.90

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Solution

The fourth proportional to 2,433.40, 3,652.80 and 1,339.90 is: 2,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.40 : 3,652.80 = 1,339.90 : x
  2. Step 2: Convert to fraction form
    2,433.40/3,652.80 = 1,339.90/x
  3. Step 3: Cross multiply
    2,433.40x = 3,652.80 × 1,339.90
  4. Step 4: Simplify right side
    2,433.40x = 4,894,386.72
  5. Step 5: Solve for x
    x = 4,894,386.72/2,433.40
  6. Step 6: Final answer
    x = 2,011.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.