Home / 2,176.59-3,003.34-1,430.85

Finding the Fourth Proportional to 2,176.59, 3,003.34 and 1,430.85

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Solution

The fourth proportional to 2,176.59, 3,003.34 and 1,430.85 is: 1,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.59 : 3,003.34 = 1,430.85 : x
  2. Step 2: Convert to fraction form
    2,176.59/3,003.34 = 1,430.85/x
  3. Step 3: Cross multiply
    2,176.59x = 3,003.34 × 1,430.85
  4. Step 4: Simplify right side
    2,176.59x = 4,297,329.04
  5. Step 5: Solve for x
    x = 4,297,329.04/2,176.59
  6. Step 6: Final answer
    x = 1,974.34

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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.