Home / 2,549.45-3,517.96-1,430.23

Finding the Fourth Proportional to 2,549.45, 3,517.96 and 1,430.23

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Solution

The fourth proportional to 2,549.45, 3,517.96 and 1,430.23 is: 1,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.45 : 3,517.96 = 1,430.23 : x
  2. Step 2: Convert to fraction form
    2,549.45/3,517.96 = 1,430.23/x
  3. Step 3: Cross multiply
    2,549.45x = 3,517.96 × 1,430.23
  4. Step 4: Simplify right side
    2,549.45x = 5,031,491.93
  5. Step 5: Solve for x
    x = 5,031,491.93/2,549.45
  6. Step 6: Final answer
    x = 1,973.56

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1.5x scale

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.