Home / 2,981.13-4,462.11-1,590.99

Finding the Fourth Proportional to 2,981.13, 4,462.11 and 1,590.99

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Solution

The fourth proportional to 2,981.13, 4,462.11 and 1,590.99 is: 2,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.13 : 4,462.11 = 1,590.99 : x
  2. Step 2: Convert to fraction form
    2,981.13/4,462.11 = 1,590.99/x
  3. Step 3: Cross multiply
    2,981.13x = 4,462.11 × 1,590.99
  4. Step 4: Simplify right side
    2,981.13x = 7,099,172.39
  5. Step 5: Solve for x
    x = 7,099,172.39/2,981.13
  6. Step 6: Final answer
    x = 2,381.37

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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.