Home / 2,879.40-4,319.74-1,580.52

Finding the Fourth Proportional to 2,879.40, 4,319.74 and 1,580.52

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Solution

The fourth proportional to 2,879.40, 4,319.74 and 1,580.52 is: 2,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.40 : 4,319.74 = 1,580.52 : x
  2. Step 2: Convert to fraction form
    2,879.40/4,319.74 = 1,580.52/x
  3. Step 3: Cross multiply
    2,879.40x = 4,319.74 × 1,580.52
  4. Step 4: Simplify right side
    2,879.40x = 6,827,435.46
  5. Step 5: Solve for x
    x = 6,827,435.46/2,879.40
  6. Step 6: Final answer
    x = 2,371.13

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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.