Home / 2,748.06-4,099.28-2,580.39

Finding the Fourth Proportional to 2,748.06, 4,099.28 and 2,580.39

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Solution

The fourth proportional to 2,748.06, 4,099.28 and 2,580.39 is: 3,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.06 : 4,099.28 = 2,580.39 : x
  2. Step 2: Convert to fraction form
    2,748.06/4,099.28 = 2,580.39/x
  3. Step 3: Cross multiply
    2,748.06x = 4,099.28 × 2,580.39
  4. Step 4: Simplify right side
    2,748.06x = 10,577,728.22
  5. Step 5: Solve for x
    x = 10,577,728.22/2,748.06
  6. Step 6: Final answer
    x = 3,849.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.