Home / 2,375.30-3,277.36-1,430.84

Finding the Fourth Proportional to 2,375.30, 3,277.36 and 1,430.84

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Solution

The fourth proportional to 2,375.30, 3,277.36 and 1,430.84 is: 1,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.30 : 3,277.36 = 1,430.84 : x
  2. Step 2: Convert to fraction form
    2,375.30/3,277.36 = 1,430.84/x
  3. Step 3: Cross multiply
    2,375.30x = 3,277.36 × 1,430.84
  4. Step 4: Simplify right side
    2,375.30x = 4,689,387.76
  5. Step 5: Solve for x
    x = 4,689,387.76/2,375.30
  6. Step 6: Final answer
    x = 1,974.23

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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.