Home / 3,491.40-4,818.96-2,000.18

Finding the Fourth Proportional to 3,491.40, 4,818.96 and 2,000.18

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Solution

The fourth proportional to 3,491.40, 4,818.96 and 2,000.18 is: 2,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.40 : 4,818.96 = 2,000.18 : x
  2. Step 2: Convert to fraction form
    3,491.40/4,818.96 = 2,000.18/x
  3. Step 3: Cross multiply
    3,491.40x = 4,818.96 × 2,000.18
  4. Step 4: Simplify right side
    3,491.40x = 9,638,787.41
  5. Step 5: Solve for x
    x = 9,638,787.41/3,491.40
  6. Step 6: Final answer
    x = 2,760.72

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1.5x scale

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.