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Finding the Fourth Proportional to 2,988.99, 4,486.22 and 1,529.16

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Solution

The fourth proportional to 2,988.99, 4,486.22 and 1,529.16 is: 2,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.99 : 4,486.22 = 1,529.16 : x
  2. Step 2: Convert to fraction form
    2,988.99/4,486.22 = 1,529.16/x
  3. Step 3: Cross multiply
    2,988.99x = 4,486.22 × 1,529.16
  4. Step 4: Simplify right side
    2,988.99x = 6,860,140.53
  5. Step 5: Solve for x
    x = 6,860,140.53/2,988.99
  6. Step 6: Final answer
    x = 2,295.14

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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.