Home / 3,608.47-4,980.90-2,558.71

Finding the Fourth Proportional to 3,608.47, 4,980.90 and 2,558.71

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Solution

The fourth proportional to 3,608.47, 4,980.90 and 2,558.71 is: 3,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.47 : 4,980.90 = 2,558.71 : x
  2. Step 2: Convert to fraction form
    3,608.47/4,980.90 = 2,558.71/x
  3. Step 3: Cross multiply
    3,608.47x = 4,980.90 × 2,558.71
  4. Step 4: Simplify right side
    3,608.47x = 12,744,678.64
  5. Step 5: Solve for x
    x = 12,744,678.64/3,608.47
  6. Step 6: Final answer
    x = 3,531.88

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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.