Home / 3,440.79-4,748.27-1,868.90

Finding the Fourth Proportional to 3,440.79, 4,748.27 and 1,868.90

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Solution

The fourth proportional to 3,440.79, 4,748.27 and 1,868.90 is: 2,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.79 : 4,748.27 = 1,868.90 : x
  2. Step 2: Convert to fraction form
    3,440.79/4,748.27 = 1,868.90/x
  3. Step 3: Cross multiply
    3,440.79x = 4,748.27 × 1,868.90
  4. Step 4: Simplify right side
    3,440.79x = 8,874,008.72
  5. Step 5: Solve for x
    x = 8,874,008.72/3,440.79
  6. Step 6: Final answer
    x = 2,579.06

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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.