Home / 1,026.08-1,415.76-632.84

Finding the Fourth Proportional to 1,026.08, 1,415.76 and 632.84

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Solution

The fourth proportional to 1,026.08, 1,415.76 and 632.84 is: 873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.08 : 1,415.76 = 632.84 : x
  2. Step 2: Convert to fraction form
    1,026.08/1,415.76 = 632.84/x
  3. Step 3: Cross multiply
    1,026.08x = 1,415.76 × 632.84
  4. Step 4: Simplify right side
    1,026.08x = 895,949.56
  5. Step 5: Solve for x
    x = 895,949.56/1,026.08
  6. Step 6: Final answer
    x = 873.18

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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.