Home / 1,695.06-2,339.26-1,031.80

Finding the Fourth Proportional to 1,695.06, 2,339.26 and 1,031.80

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Solution

The fourth proportional to 1,695.06, 2,339.26 and 1,031.80 is: 1,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.06 : 2,339.26 = 1,031.80 : x
  2. Step 2: Convert to fraction form
    1,695.06/2,339.26 = 1,031.80/x
  3. Step 3: Cross multiply
    1,695.06x = 2,339.26 × 1,031.80
  4. Step 4: Simplify right side
    1,695.06x = 2,413,648.47
  5. Step 5: Solve for x
    x = 2,413,648.47/1,695.06
  6. Step 6: Final answer
    x = 1,423.93

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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.