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Finding the Fourth Proportional to 2,930.04, 4,041.18 and 1,750.86

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Solution

The fourth proportional to 2,930.04, 4,041.18 and 1,750.86 is: 2,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.04 : 4,041.18 = 1,750.86 : x
  2. Step 2: Convert to fraction form
    2,930.04/4,041.18 = 1,750.86/x
  3. Step 3: Cross multiply
    2,930.04x = 4,041.18 × 1,750.86
  4. Step 4: Simplify right side
    2,930.04x = 7,075,540.41
  5. Step 5: Solve for x
    x = 7,075,540.41/2,930.04
  6. Step 6: Final answer
    x = 2,414.83

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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.