Home / 2,580.23-3,560.46-1,585.34

Finding the Fourth Proportional to 2,580.23, 3,560.46 and 1,585.34

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Solution

The fourth proportional to 2,580.23, 3,560.46 and 1,585.34 is: 2,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.23 : 3,560.46 = 1,585.34 : x
  2. Step 2: Convert to fraction form
    2,580.23/3,560.46 = 1,585.34/x
  3. Step 3: Cross multiply
    2,580.23x = 3,560.46 × 1,585.34
  4. Step 4: Simplify right side
    2,580.23x = 5,644,539.66
  5. Step 5: Solve for x
    x = 5,644,539.66/2,580.23
  6. Step 6: Final answer
    x = 2,187.61

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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.