Home / 2,988.59-4,126.14-2,045.94

Finding the Fourth Proportional to 2,988.59, 4,126.14 and 2,045.94

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Solution

The fourth proportional to 2,988.59, 4,126.14 and 2,045.94 is: 2,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.59 : 4,126.14 = 2,045.94 : x
  2. Step 2: Convert to fraction form
    2,988.59/4,126.14 = 2,045.94/x
  3. Step 3: Cross multiply
    2,988.59x = 4,126.14 × 2,045.94
  4. Step 4: Simplify right side
    2,988.59x = 8,441,834.87
  5. Step 5: Solve for x
    x = 8,441,834.87/2,988.59
  6. Step 6: Final answer
    x = 2,824.69

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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.