Home / 2,260.02-3,120.36-1,515.09

Finding the Fourth Proportional to 2,260.02, 3,120.36 and 1,515.09

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Solution

The fourth proportional to 2,260.02, 3,120.36 and 1,515.09 is: 2,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.02 : 3,120.36 = 1,515.09 : x
  2. Step 2: Convert to fraction form
    2,260.02/3,120.36 = 1,515.09/x
  3. Step 3: Cross multiply
    2,260.02x = 3,120.36 × 1,515.09
  4. Step 4: Simplify right side
    2,260.02x = 4,727,626.23
  5. Step 5: Solve for x
    x = 4,727,626.23/2,260.02
  6. Step 6: Final answer
    x = 2,091.85

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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.