Home / 2,455.10-3,387.44-1,659.90

Finding the Fourth Proportional to 2,455.10, 3,387.44 and 1,659.90

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Solution

The fourth proportional to 2,455.10, 3,387.44 and 1,659.90 is: 2,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.10 : 3,387.44 = 1,659.90 : x
  2. Step 2: Convert to fraction form
    2,455.10/3,387.44 = 1,659.90/x
  3. Step 3: Cross multiply
    2,455.10x = 3,387.44 × 1,659.90
  4. Step 4: Simplify right side
    2,455.10x = 5,622,803.36
  5. Step 5: Solve for x
    x = 5,622,803.36/2,455.10
  6. Step 6: Final answer
    x = 2,290.26

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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.