Home / 3,440.89-4,750.40-2,265.38

Finding the Fourth Proportional to 3,440.89, 4,750.40 and 2,265.38

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Solution

The fourth proportional to 3,440.89, 4,750.40 and 2,265.38 is: 3,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.89 : 4,750.40 = 2,265.38 : x
  2. Step 2: Convert to fraction form
    3,440.89/4,750.40 = 2,265.38/x
  3. Step 3: Cross multiply
    3,440.89x = 4,750.40 × 2,265.38
  4. Step 4: Simplify right side
    3,440.89x = 10,761,426.07
  5. Step 5: Solve for x
    x = 10,761,426.07/3,440.89
  6. Step 6: Final answer
    x = 3,127.51

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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.