Home / 3,515.13-4,852.78-2,398.84

Finding the Fourth Proportional to 3,515.13, 4,852.78 and 2,398.84

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Solution

The fourth proportional to 3,515.13, 4,852.78 and 2,398.84 is: 3,311.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.13 : 4,852.78 = 2,398.84 : x
  2. Step 2: Convert to fraction form
    3,515.13/4,852.78 = 2,398.84/x
  3. Step 3: Cross multiply
    3,515.13x = 4,852.78 × 2,398.84
  4. Step 4: Simplify right side
    3,515.13x = 11,641,024.65
  5. Step 5: Solve for x
    x = 11,641,024.65/3,515.13
  6. Step 6: Final answer
    x = 3,311.69

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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.