Home / 1,534.50-2,303.25-1,122.39

Finding the Fourth Proportional to 1,534.50, 2,303.25 and 1,122.39

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Solution

The fourth proportional to 1,534.50, 2,303.25 and 1,122.39 is: 1,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.50 : 2,303.25 = 1,122.39 : x
  2. Step 2: Convert to fraction form
    1,534.50/2,303.25 = 1,122.39/x
  3. Step 3: Cross multiply
    1,534.50x = 2,303.25 × 1,122.39
  4. Step 4: Simplify right side
    1,534.50x = 2,585,144.77
  5. Step 5: Solve for x
    x = 2,585,144.77/1,534.50
  6. Step 6: Final answer
    x = 1,684.68

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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.