Home / 1,367.14-2,051.12-637.15

Finding the Fourth Proportional to 1,367.14, 2,051.12 and 637.15

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Solution

The fourth proportional to 1,367.14, 2,051.12 and 637.15 is: 955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.14 : 2,051.12 = 637.15 : x
  2. Step 2: Convert to fraction form
    1,367.14/2,051.12 = 637.15/x
  3. Step 3: Cross multiply
    1,367.14x = 2,051.12 × 637.15
  4. Step 4: Simplify right side
    1,367.14x = 1,306,871.11
  5. Step 5: Solve for x
    x = 1,306,871.11/1,367.14
  6. Step 6: Final answer
    x = 955.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.