Home / 2,879.11-4,319.58-1,030.20

Finding the Fourth Proportional to 2,879.11, 4,319.58 and 1,030.20

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Solution

The fourth proportional to 2,879.11, 4,319.58 and 1,030.20 is: 1,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.11 : 4,319.58 = 1,030.20 : x
  2. Step 2: Convert to fraction form
    2,879.11/4,319.58 = 1,030.20/x
  3. Step 3: Cross multiply
    2,879.11x = 4,319.58 × 1,030.20
  4. Step 4: Simplify right side
    2,879.11x = 4,450,031.32
  5. Step 5: Solve for x
    x = 4,450,031.32/2,879.11
  6. Step 6: Final answer
    x = 1,545.63

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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.