Home / 1,632.07-2,250.80-1,282.15

Finding the Fourth Proportional to 1,632.07, 2,250.80 and 1,282.15

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Solution

The fourth proportional to 1,632.07, 2,250.80 and 1,282.15 is: 1,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.07 : 2,250.80 = 1,282.15 : x
  2. Step 2: Convert to fraction form
    1,632.07/2,250.80 = 1,282.15/x
  3. Step 3: Cross multiply
    1,632.07x = 2,250.80 × 1,282.15
  4. Step 4: Simplify right side
    1,632.07x = 2,885,863.22
  5. Step 5: Solve for x
    x = 2,885,863.22/1,632.07
  6. Step 6: Final answer
    x = 1,768.22

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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.