Home / 1,694.86-2,338.27-1,031.47

Finding the Fourth Proportional to 1,694.86, 2,338.27 and 1,031.47

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Solution

The fourth proportional to 1,694.86, 2,338.27 and 1,031.47 is: 1,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.86 : 2,338.27 = 1,031.47 : x
  2. Step 2: Convert to fraction form
    1,694.86/2,338.27 = 1,031.47/x
  3. Step 3: Cross multiply
    1,694.86x = 2,338.27 × 1,031.47
  4. Step 4: Simplify right side
    1,694.86x = 2,411,846.93
  5. Step 5: Solve for x
    x = 2,411,846.93/1,694.86
  6. Step 6: Final answer
    x = 1,423.04

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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.