Home / 2,754.19-4,130.15-1,110.30

Finding the Fourth Proportional to 2,754.19, 4,130.15 and 1,110.30

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Solution

The fourth proportional to 2,754.19, 4,130.15 and 1,110.30 is: 1,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.19 : 4,130.15 = 1,110.30 : x
  2. Step 2: Convert to fraction form
    2,754.19/4,130.15 = 1,110.30/x
  3. Step 3: Cross multiply
    2,754.19x = 4,130.15 × 1,110.30
  4. Step 4: Simplify right side
    2,754.19x = 4,585,705.55
  5. Step 5: Solve for x
    x = 4,585,705.55/2,754.19
  6. Step 6: Final answer
    x = 1,664.99

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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.