Home / 2,549.75-3,518.38-1,487.23

Finding the Fourth Proportional to 2,549.75, 3,518.38 and 1,487.23

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Solution

The fourth proportional to 2,549.75, 3,518.38 and 1,487.23 is: 2,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.75 : 3,518.38 = 1,487.23 : x
  2. Step 2: Convert to fraction form
    2,549.75/3,518.38 = 1,487.23/x
  3. Step 3: Cross multiply
    2,549.75x = 3,518.38 × 1,487.23
  4. Step 4: Simplify right side
    2,549.75x = 5,232,640.29
  5. Step 5: Solve for x
    x = 5,232,640.29/2,549.75
  6. Step 6: Final answer
    x = 2,052.22

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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.