Home / 1,632.77-2,253.56-1,043.20

Finding the Fourth Proportional to 1,632.77, 2,253.56 and 1,043.20

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Solution

The fourth proportional to 1,632.77, 2,253.56 and 1,043.20 is: 1,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.77 : 2,253.56 = 1,043.20 : x
  2. Step 2: Convert to fraction form
    1,632.77/2,253.56 = 1,043.20/x
  3. Step 3: Cross multiply
    1,632.77x = 2,253.56 × 1,043.20
  4. Step 4: Simplify right side
    1,632.77x = 2,350,913.79
  5. Step 5: Solve for x
    x = 2,350,913.79/1,632.77
  6. Step 6: Final answer
    x = 1,439.83

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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.