Home / 2,750.32-4,127.48-2,209.01

Finding the Fourth Proportional to 2,750.32, 4,127.48 and 2,209.01

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Solution

The fourth proportional to 2,750.32, 4,127.48 and 2,209.01 is: 3,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.32 : 4,127.48 = 2,209.01 : x
  2. Step 2: Convert to fraction form
    2,750.32/4,127.48 = 2,209.01/x
  3. Step 3: Cross multiply
    2,750.32x = 4,127.48 × 2,209.01
  4. Step 4: Simplify right side
    2,750.32x = 9,117,633.55
  5. Step 5: Solve for x
    x = 9,117,633.55/2,750.32
  6. Step 6: Final answer
    x = 3,315.12

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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.