Home / 2,276.47-3,146.54-2,076.55

Finding the Fourth Proportional to 2,276.47, 3,146.54 and 2,076.55

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Solution

The fourth proportional to 2,276.47, 3,146.54 and 2,076.55 is: 2,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.47 : 3,146.54 = 2,076.55 : x
  2. Step 2: Convert to fraction form
    2,276.47/3,146.54 = 2,076.55/x
  3. Step 3: Cross multiply
    2,276.47x = 3,146.54 × 2,076.55
  4. Step 4: Simplify right side
    2,276.47x = 6,533,937.25
  5. Step 5: Solve for x
    x = 6,533,937.25/2,276.47
  6. Step 6: Final answer
    x = 2,870.21

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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.