Home / 3,711.93-5,124.30-2,870.73

Finding the Fourth Proportional to 3,711.93, 5,124.30 and 2,870.73

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Solution

The fourth proportional to 3,711.93, 5,124.30 and 2,870.73 is: 3,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.93 : 5,124.30 = 2,870.73 : x
  2. Step 2: Convert to fraction form
    3,711.93/5,124.30 = 2,870.73/x
  3. Step 3: Cross multiply
    3,711.93x = 5,124.30 × 2,870.73
  4. Step 4: Simplify right side
    3,711.93x = 14,710,481.74
  5. Step 5: Solve for x
    x = 14,710,481.74/3,711.93
  6. Step 6: Final answer
    x = 3,963.03

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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.