Home / 2,439.10-3,364.50-1,729.95

Finding the Fourth Proportional to 2,439.10, 3,364.50 and 1,729.95

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Solution

The fourth proportional to 2,439.10, 3,364.50 and 1,729.95 is: 2,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.10 : 3,364.50 = 1,729.95 : x
  2. Step 2: Convert to fraction form
    2,439.10/3,364.50 = 1,729.95/x
  3. Step 3: Cross multiply
    2,439.10x = 3,364.50 × 1,729.95
  4. Step 4: Simplify right side
    2,439.10x = 5,820,416.78
  5. Step 5: Solve for x
    x = 5,820,416.78/2,439.10
  6. Step 6: Final answer
    x = 2,386.30

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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.