Home / 3,039.70-4,559.55-1,887.70

Finding the Fourth Proportional to 3,039.70, 4,559.55 and 1,887.70

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Solution

The fourth proportional to 3,039.70, 4,559.55 and 1,887.70 is: 2,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.70 : 4,559.55 = 1,887.70 : x
  2. Step 2: Convert to fraction form
    3,039.70/4,559.55 = 1,887.70/x
  3. Step 3: Cross multiply
    3,039.70x = 4,559.55 × 1,887.70
  4. Step 4: Simplify right side
    3,039.70x = 8,607,062.54
  5. Step 5: Solve for x
    x = 8,607,062.54/3,039.70
  6. Step 6: Final answer
    x = 2,831.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.