Home / 4,030.40-6,040.20-2,874.80

Finding the Fourth Proportional to 4,030.40, 6,040.20 and 2,874.80

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Solution

The fourth proportional to 4,030.40, 6,040.20 and 2,874.80 is: 4,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,030.40 : 6,040.20 = 2,874.80 : x
  2. Step 2: Convert to fraction form
    4,030.40/6,040.20 = 2,874.80/x
  3. Step 3: Cross multiply
    4,030.40x = 6,040.20 × 2,874.80
  4. Step 4: Simplify right side
    4,030.40x = 17,364,366.96
  5. Step 5: Solve for x
    x = 17,364,366.96/4,030.40
  6. Step 6: Final answer
    x = 4,308.35

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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.