Home / 1,316.30-1,974.46-1,024.70

Finding the Fourth Proportional to 1,316.30, 1,974.46 and 1,024.70

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Solution

The fourth proportional to 1,316.30, 1,974.46 and 1,024.70 is: 1,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316.30 : 1,974.46 = 1,024.70 : x
  2. Step 2: Convert to fraction form
    1,316.30/1,974.46 = 1,024.70/x
  3. Step 3: Cross multiply
    1,316.30x = 1,974.46 × 1,024.70
  4. Step 4: Simplify right side
    1,316.30x = 2,023,229.16
  5. Step 5: Solve for x
    x = 2,023,229.16/1,316.30
  6. Step 6: Final answer
    x = 1,537.06

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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.