Home / 2,751.50-4,121.10-1,764.92

Finding the Fourth Proportional to 2,751.50, 4,121.10 and 1,764.92

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Solution

The fourth proportional to 2,751.50, 4,121.10 and 1,764.92 is: 2,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.50 : 4,121.10 = 1,764.92 : x
  2. Step 2: Convert to fraction form
    2,751.50/4,121.10 = 1,764.92/x
  3. Step 3: Cross multiply
    2,751.50x = 4,121.10 × 1,764.92
  4. Step 4: Simplify right side
    2,751.50x = 7,273,411.81
  5. Step 5: Solve for x
    x = 7,273,411.81/2,751.50
  6. Step 6: Final answer
    x = 2,643.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.