Home / 2,549.16-3,517.22-1,430.15

Finding the Fourth Proportional to 2,549.16, 3,517.22 and 1,430.15

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Solution

The fourth proportional to 2,549.16, 3,517.22 and 1,430.15 is: 1,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.16 : 3,517.22 = 1,430.15 : x
  2. Step 2: Convert to fraction form
    2,549.16/3,517.22 = 1,430.15/x
  3. Step 3: Cross multiply
    2,549.16x = 3,517.22 × 1,430.15
  4. Step 4: Simplify right side
    2,549.16x = 5,030,138.17
  5. Step 5: Solve for x
    x = 5,030,138.17/2,549.16
  6. Step 6: Final answer
    x = 1,973.25

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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.