Home / 2,879.99-4,320.90-1,031.06

Finding the Fourth Proportional to 2,879.99, 4,320.90 and 1,031.06

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Solution

The fourth proportional to 2,879.99, 4,320.90 and 1,031.06 is: 1,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.99 : 4,320.90 = 1,031.06 : x
  2. Step 2: Convert to fraction form
    2,879.99/4,320.90 = 1,031.06/x
  3. Step 3: Cross multiply
    2,879.99x = 4,320.90 × 1,031.06
  4. Step 4: Simplify right side
    2,879.99x = 4,455,117.96
  5. Step 5: Solve for x
    x = 4,455,117.96/2,879.99
  6. Step 6: Final answer
    x = 1,546.92

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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.