Home / 2,974.10-4,459.35-1,330.34

Finding the Fourth Proportional to 2,974.10, 4,459.35 and 1,330.34

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Solution

The fourth proportional to 2,974.10, 4,459.35 and 1,330.34 is: 1,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.10 : 4,459.35 = 1,330.34 : x
  2. Step 2: Convert to fraction form
    2,974.10/4,459.35 = 1,330.34/x
  3. Step 3: Cross multiply
    2,974.10x = 4,459.35 × 1,330.34
  4. Step 4: Simplify right side
    2,974.10x = 5,932,451.68
  5. Step 5: Solve for x
    x = 5,932,451.68/2,974.10
  6. Step 6: Final answer
    x = 1,994.70

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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.