Home / 2,670.49-3,661.85-2,577.79

Finding the Fourth Proportional to 2,670.49, 3,661.85 and 2,577.79

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Solution

The fourth proportional to 2,670.49, 3,661.85 and 2,577.79 is: 3,534.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.49 : 3,661.85 = 2,577.79 : x
  2. Step 2: Convert to fraction form
    2,670.49/3,661.85 = 2,577.79/x
  3. Step 3: Cross multiply
    2,670.49x = 3,661.85 × 2,577.79
  4. Step 4: Simplify right side
    2,670.49x = 9,439,480.31
  5. Step 5: Solve for x
    x = 9,439,480.31/2,670.49
  6. Step 6: Final answer
    x = 3,534.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.