Home / 2,260.12-3,119.18-1,376.16

Finding the Fourth Proportional to 2,260.12, 3,119.18 and 1,376.16

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Solution

The fourth proportional to 2,260.12, 3,119.18 and 1,376.16 is: 1,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.12 : 3,119.18 = 1,376.16 : x
  2. Step 2: Convert to fraction form
    2,260.12/3,119.18 = 1,376.16/x
  3. Step 3: Cross multiply
    2,260.12x = 3,119.18 × 1,376.16
  4. Step 4: Simplify right side
    2,260.12x = 4,292,490.75
  5. Step 5: Solve for x
    x = 4,292,490.75/2,260.12
  6. Step 6: Final answer
    x = 1,899.23

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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.