Home / 2,878.28-4,318.22-1,029.59

Finding the Fourth Proportional to 2,878.28, 4,318.22 and 1,029.59

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Solution

The fourth proportional to 2,878.28, 4,318.22 and 1,029.59 is: 1,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.28 : 4,318.22 = 1,029.59 : x
  2. Step 2: Convert to fraction form
    2,878.28/4,318.22 = 1,029.59/x
  3. Step 3: Cross multiply
    2,878.28x = 4,318.22 × 1,029.59
  4. Step 4: Simplify right side
    2,878.28x = 4,445,996.13
  5. Step 5: Solve for x
    x = 4,445,996.13/2,878.28
  6. Step 6: Final answer
    x = 1,544.67

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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.