Home / 3,852.11-5,315.95-2,259.70

Finding the Fourth Proportional to 3,852.11, 5,315.95 and 2,259.70

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Solution

The fourth proportional to 3,852.11, 5,315.95 and 2,259.70 is: 3,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.11 : 5,315.95 = 2,259.70 : x
  2. Step 2: Convert to fraction form
    3,852.11/5,315.95 = 2,259.70/x
  3. Step 3: Cross multiply
    3,852.11x = 5,315.95 × 2,259.70
  4. Step 4: Simplify right side
    3,852.11x = 12,012,414.34
  5. Step 5: Solve for x
    x = 12,012,414.34/3,852.11
  6. Step 6: Final answer
    x = 3,118.40

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Double scale
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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.