Home / 1,471.34-2,031.18-1,031.58

Finding the Fourth Proportional to 1,471.34, 2,031.18 and 1,031.58

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Solution

The fourth proportional to 1,471.34, 2,031.18 and 1,031.58 is: 1,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.34 : 2,031.18 = 1,031.58 : x
  2. Step 2: Convert to fraction form
    1,471.34/2,031.18 = 1,031.58/x
  3. Step 3: Cross multiply
    1,471.34x = 2,031.18 × 1,031.58
  4. Step 4: Simplify right side
    1,471.34x = 2,095,324.66
  5. Step 5: Solve for x
    x = 2,095,324.66/1,471.34
  6. Step 6: Final answer
    x = 1,424.09

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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.