Home / 1,695.23-2,339.40-1,031.95

Finding the Fourth Proportional to 1,695.23, 2,339.40 and 1,031.95

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Solution

The fourth proportional to 1,695.23, 2,339.40 and 1,031.95 is: 1,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.23 : 2,339.40 = 1,031.95 : x
  2. Step 2: Convert to fraction form
    1,695.23/2,339.40 = 1,031.95/x
  3. Step 3: Cross multiply
    1,695.23x = 2,339.40 × 1,031.95
  4. Step 4: Simplify right side
    1,695.23x = 2,414,143.83
  5. Step 5: Solve for x
    x = 2,414,143.83/1,695.23
  6. Step 6: Final answer
    x = 1,424.08

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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.