Home / 1,452.08-1,999.50-1,313.15

Finding the Fourth Proportional to 1,452.08, 1,999.50 and 1,313.15

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Solution

The fourth proportional to 1,452.08, 1,999.50 and 1,313.15 is: 1,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.08 : 1,999.50 = 1,313.15 : x
  2. Step 2: Convert to fraction form
    1,452.08/1,999.50 = 1,313.15/x
  3. Step 3: Cross multiply
    1,452.08x = 1,999.50 × 1,313.15
  4. Step 4: Simplify right side
    1,452.08x = 2,625,643.43
  5. Step 5: Solve for x
    x = 2,625,643.43/1,452.08
  6. Step 6: Final answer
    x = 1,808.19

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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.