Home / 3,118.88-4,303.84-2,000.16

Finding the Fourth Proportional to 3,118.88, 4,303.84 and 2,000.16

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Solution

The fourth proportional to 3,118.88, 4,303.84 and 2,000.16 is: 2,760.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.88 : 4,303.84 = 2,000.16 : x
  2. Step 2: Convert to fraction form
    3,118.88/4,303.84 = 2,000.16/x
  3. Step 3: Cross multiply
    3,118.88x = 4,303.84 × 2,000.16
  4. Step 4: Simplify right side
    3,118.88x = 8,608,368.61
  5. Step 5: Solve for x
    x = 8,608,368.61/3,118.88
  6. Step 6: Final answer
    x = 2,760.08

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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.