Home / 2,377.10-3,281.54-1,581.75

Finding the Fourth Proportional to 2,377.10, 3,281.54 and 1,581.75

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Solution

The fourth proportional to 2,377.10, 3,281.54 and 1,581.75 is: 2,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.10 : 3,281.54 = 1,581.75 : x
  2. Step 2: Convert to fraction form
    2,377.10/3,281.54 = 1,581.75/x
  3. Step 3: Cross multiply
    2,377.10x = 3,281.54 × 1,581.75
  4. Step 4: Simplify right side
    2,377.10x = 5,190,559.49
  5. Step 5: Solve for x
    x = 5,190,559.49/2,377.10
  6. Step 6: Final answer
    x = 2,183.57

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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.