Home / 2,873.75-3,965.66-1,756.55

Finding the Fourth Proportional to 2,873.75, 3,965.66 and 1,756.55

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Solution

The fourth proportional to 2,873.75, 3,965.66 and 1,756.55 is: 2,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.75 : 3,965.66 = 1,756.55 : x
  2. Step 2: Convert to fraction form
    2,873.75/3,965.66 = 1,756.55/x
  3. Step 3: Cross multiply
    2,873.75x = 3,965.66 × 1,756.55
  4. Step 4: Simplify right side
    2,873.75x = 6,965,851.46
  5. Step 5: Solve for x
    x = 6,965,851.46/2,873.75
  6. Step 6: Final answer
    x = 2,423.96

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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.