Home / 1,623.42-2,239.65-1,034.28

Finding the Fourth Proportional to 1,623.42, 2,239.65 and 1,034.28

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Solution

The fourth proportional to 1,623.42, 2,239.65 and 1,034.28 is: 1,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.42 : 2,239.65 = 1,034.28 : x
  2. Step 2: Convert to fraction form
    1,623.42/2,239.65 = 1,034.28/x
  3. Step 3: Cross multiply
    1,623.42x = 2,239.65 × 1,034.28
  4. Step 4: Simplify right side
    1,623.42x = 2,316,425.20
  5. Step 5: Solve for x
    x = 2,316,425.20/1,623.42
  6. Step 6: Final answer
    x = 1,426.88

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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.