Home / 2,919.18-4,029.76-1,740.66

Finding the Fourth Proportional to 2,919.18, 4,029.76 and 1,740.66

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Solution

The fourth proportional to 2,919.18, 4,029.76 and 1,740.66 is: 2,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.18 : 4,029.76 = 1,740.66 : x
  2. Step 2: Convert to fraction form
    2,919.18/4,029.76 = 1,740.66/x
  3. Step 3: Cross multiply
    2,919.18x = 4,029.76 × 1,740.66
  4. Step 4: Simplify right side
    2,919.18x = 7,014,442.04
  5. Step 5: Solve for x
    x = 7,014,442.04/2,919.18
  6. Step 6: Final answer
    x = 2,402.88

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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.