Home / 3,144.50-4,340.18-1,818.01

Finding the Fourth Proportional to 3,144.50, 4,340.18 and 1,818.01

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Solution

The fourth proportional to 3,144.50, 4,340.18 and 1,818.01 is: 2,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.50 : 4,340.18 = 1,818.01 : x
  2. Step 2: Convert to fraction form
    3,144.50/4,340.18 = 1,818.01/x
  3. Step 3: Cross multiply
    3,144.50x = 4,340.18 × 1,818.01
  4. Step 4: Simplify right side
    3,144.50x = 7,890,490.64
  5. Step 5: Solve for x
    x = 7,890,490.64/3,144.50
  6. Step 6: Final answer
    x = 2,509.30

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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.