Home / 2,485.97-3,726.99-1,254.18

Finding the Fourth Proportional to 2,485.97, 3,726.99 and 1,254.18

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Solution

The fourth proportional to 2,485.97, 3,726.99 and 1,254.18 is: 1,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.97 : 3,726.99 = 1,254.18 : x
  2. Step 2: Convert to fraction form
    2,485.97/3,726.99 = 1,254.18/x
  3. Step 3: Cross multiply
    2,485.97x = 3,726.99 × 1,254.18
  4. Step 4: Simplify right side
    2,485.97x = 4,674,316.32
  5. Step 5: Solve for x
    x = 4,674,316.32/2,485.97
  6. Step 6: Final answer
    x = 1,880.28

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1.5x scale

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.