Home / 1,626.40-2,243.55-1,232.74

Finding the Fourth Proportional to 1,626.40, 2,243.55 and 1,232.74

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Solution

The fourth proportional to 1,626.40, 2,243.55 and 1,232.74 is: 1,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626.40 : 2,243.55 = 1,232.74 : x
  2. Step 2: Convert to fraction form
    1,626.40/2,243.55 = 1,232.74/x
  3. Step 3: Cross multiply
    1,626.40x = 2,243.55 × 1,232.74
  4. Step 4: Simplify right side
    1,626.40x = 2,765,713.83
  5. Step 5: Solve for x
    x = 2,765,713.83/1,626.40
  6. Step 6: Final answer
    x = 1,700.51

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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.