Home / 2,267.10-3,126.60-1,641.78

Finding the Fourth Proportional to 2,267.10, 3,126.60 and 1,641.78

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Solution

The fourth proportional to 2,267.10, 3,126.60 and 1,641.78 is: 2,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.10 : 3,126.60 = 1,641.78 : x
  2. Step 2: Convert to fraction form
    2,267.10/3,126.60 = 1,641.78/x
  3. Step 3: Cross multiply
    2,267.10x = 3,126.60 × 1,641.78
  4. Step 4: Simplify right side
    2,267.10x = 5,133,189.35
  5. Step 5: Solve for x
    x = 5,133,189.35/2,267.10
  6. Step 6: Final answer
    x = 2,264.21

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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.