Home / 2,701.32-3,723.40-2,110.80

Finding the Fourth Proportional to 2,701.32, 3,723.40 and 2,110.80

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Solution

The fourth proportional to 2,701.32, 3,723.40 and 2,110.80 is: 2,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.32 : 3,723.40 = 2,110.80 : x
  2. Step 2: Convert to fraction form
    2,701.32/3,723.40 = 2,110.80/x
  3. Step 3: Cross multiply
    2,701.32x = 3,723.40 × 2,110.80
  4. Step 4: Simplify right side
    2,701.32x = 7,859,352.72
  5. Step 5: Solve for x
    x = 7,859,352.72/2,701.32
  6. Step 6: Final answer
    x = 2,909.45

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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.