Home / 2,580.42-3,560.58-1,739.79

Finding the Fourth Proportional to 2,580.42, 3,560.58 and 1,739.79

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Solution

The fourth proportional to 2,580.42, 3,560.58 and 1,739.79 is: 2,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.42 : 3,560.58 = 1,739.79 : x
  2. Step 2: Convert to fraction form
    2,580.42/3,560.58 = 1,739.79/x
  3. Step 3: Cross multiply
    2,580.42x = 3,560.58 × 1,739.79
  4. Step 4: Simplify right side
    2,580.42x = 6,194,661.48
  5. Step 5: Solve for x
    x = 6,194,661.48/2,580.42
  6. Step 6: Final answer
    x = 2,400.64

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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.