Home / 2,264.62-3,125.46-1,320.45

Finding the Fourth Proportional to 2,264.62, 3,125.46 and 1,320.45

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Solution

The fourth proportional to 2,264.62, 3,125.46 and 1,320.45 is: 1,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.62 : 3,125.46 = 1,320.45 : x
  2. Step 2: Convert to fraction form
    2,264.62/3,125.46 = 1,320.45/x
  3. Step 3: Cross multiply
    2,264.62x = 3,125.46 × 1,320.45
  4. Step 4: Simplify right side
    2,264.62x = 4,127,007.05
  5. Step 5: Solve for x
    x = 4,127,007.05/2,264.62
  6. Step 6: Final answer
    x = 1,822.39

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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.