Home / 2,750.96-3,799.32-1,868.24

Finding the Fourth Proportional to 2,750.96, 3,799.32 and 1,868.24

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Solution

The fourth proportional to 2,750.96, 3,799.32 and 1,868.24 is: 2,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.96 : 3,799.32 = 1,868.24 : x
  2. Step 2: Convert to fraction form
    2,750.96/3,799.32 = 1,868.24/x
  3. Step 3: Cross multiply
    2,750.96x = 3,799.32 × 1,868.24
  4. Step 4: Simplify right side
    2,750.96x = 7,098,041.60
  5. Step 5: Solve for x
    x = 7,098,041.60/2,750.96
  6. Step 6: Final answer
    x = 2,580.21

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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.