Home / 2,474.02-3,711.84-1,319.50

Finding the Fourth Proportional to 2,474.02, 3,711.84 and 1,319.50

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Solution

The fourth proportional to 2,474.02, 3,711.84 and 1,319.50 is: 1,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.02 : 3,711.84 = 1,319.50 : x
  2. Step 2: Convert to fraction form
    2,474.02/3,711.84 = 1,319.50/x
  3. Step 3: Cross multiply
    2,474.02x = 3,711.84 × 1,319.50
  4. Step 4: Simplify right side
    2,474.02x = 4,897,772.88
  5. Step 5: Solve for x
    x = 4,897,772.88/2,474.02
  6. Step 6: Final answer
    x = 1,979.68

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1.5x scale

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.