Home / 1,669.43-2,302.13-1,006.34

Finding the Fourth Proportional to 1,669.43, 2,302.13 and 1,006.34

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Solution

The fourth proportional to 1,669.43, 2,302.13 and 1,006.34 is: 1,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.43 : 2,302.13 = 1,006.34 : x
  2. Step 2: Convert to fraction form
    1,669.43/2,302.13 = 1,006.34/x
  3. Step 3: Cross multiply
    1,669.43x = 2,302.13 × 1,006.34
  4. Step 4: Simplify right side
    1,669.43x = 2,316,708.96
  5. Step 5: Solve for x
    x = 2,316,708.96/1,669.43
  6. Step 6: Final answer
    x = 1,387.73

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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.