Home / 1,622.48-2,238.18-1,031.99

Finding the Fourth Proportional to 1,622.48, 2,238.18 and 1,031.99

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Solution

The fourth proportional to 1,622.48, 2,238.18 and 1,031.99 is: 1,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.48 : 2,238.18 = 1,031.99 : x
  2. Step 2: Convert to fraction form
    1,622.48/2,238.18 = 1,031.99/x
  3. Step 3: Cross multiply
    1,622.48x = 2,238.18 × 1,031.99
  4. Step 4: Simplify right side
    1,622.48x = 2,309,779.38
  5. Step 5: Solve for x
    x = 2,309,779.38/1,622.48
  6. Step 6: Final answer
    x = 1,423.61

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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.