Home / 2,981.45-4,474.61-1,595.74

Finding the Fourth Proportional to 2,981.45, 4,474.61 and 1,595.74

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Solution

The fourth proportional to 2,981.45, 4,474.61 and 1,595.74 is: 2,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.45 : 4,474.61 = 1,595.74 : x
  2. Step 2: Convert to fraction form
    2,981.45/4,474.61 = 1,595.74/x
  3. Step 3: Cross multiply
    2,981.45x = 4,474.61 × 1,595.74
  4. Step 4: Simplify right side
    2,981.45x = 7,140,314.16
  5. Step 5: Solve for x
    x = 7,140,314.16/2,981.45
  6. Step 6: Final answer
    x = 2,394.91

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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.