Home / 2,877.48-3,969.60-2,373.66

Finding the Fourth Proportional to 2,877.48, 3,969.60 and 2,373.66

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Solution

The fourth proportional to 2,877.48, 3,969.60 and 2,373.66 is: 3,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.48 : 3,969.60 = 2,373.66 : x
  2. Step 2: Convert to fraction form
    2,877.48/3,969.60 = 2,373.66/x
  3. Step 3: Cross multiply
    2,877.48x = 3,969.60 × 2,373.66
  4. Step 4: Simplify right side
    2,877.48x = 9,422,480.74
  5. Step 5: Solve for x
    x = 9,422,480.74/2,877.48
  6. Step 6: Final answer
    x = 3,274.56

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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.