Home / 4,259.52-5,878.78-2,491.70

Finding the Fourth Proportional to 4,259.52, 5,878.78 and 2,491.70

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Solution

The fourth proportional to 4,259.52, 5,878.78 and 2,491.70 is: 3,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.52 : 5,878.78 = 2,491.70 : x
  2. Step 2: Convert to fraction form
    4,259.52/5,878.78 = 2,491.70/x
  3. Step 3: Cross multiply
    4,259.52x = 5,878.78 × 2,491.70
  4. Step 4: Simplify right side
    4,259.52x = 14,648,120.50
  5. Step 5: Solve for x
    x = 14,648,120.50/4,259.52
  6. Step 6: Final answer
    x = 3,438.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.