Home / 3,440.07-4,747.40-1,868.27

Finding the Fourth Proportional to 3,440.07, 4,747.40 and 1,868.27

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Solution

The fourth proportional to 3,440.07, 4,747.40 and 1,868.27 is: 2,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.07 : 4,747.40 = 1,868.27 : x
  2. Step 2: Convert to fraction form
    3,440.07/4,747.40 = 1,868.27/x
  3. Step 3: Cross multiply
    3,440.07x = 4,747.40 × 1,868.27
  4. Step 4: Simplify right side
    3,440.07x = 8,869,391.92
  5. Step 5: Solve for x
    x = 8,869,391.92/3,440.07
  6. Step 6: Final answer
    x = 2,578.26

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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.