Home / 2,678.32-4,014.40-1,799.76

Finding the Fourth Proportional to 2,678.32, 4,014.40 and 1,799.76

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Solution

The fourth proportional to 2,678.32, 4,014.40 and 1,799.76 is: 2,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.32 : 4,014.40 = 1,799.76 : x
  2. Step 2: Convert to fraction form
    2,678.32/4,014.40 = 1,799.76/x
  3. Step 3: Cross multiply
    2,678.32x = 4,014.40 × 1,799.76
  4. Step 4: Simplify right side
    2,678.32x = 7,224,956.54
  5. Step 5: Solve for x
    x = 7,224,956.54/2,678.32
  6. Step 6: Final answer
    x = 2,697.57

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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.