Home / 3,852.60-5,316.59-2,084.20

Finding the Fourth Proportional to 3,852.60, 5,316.59 and 2,084.20

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Solution

The fourth proportional to 3,852.60, 5,316.59 and 2,084.20 is: 2,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.60 : 5,316.59 = 2,084.20 : x
  2. Step 2: Convert to fraction form
    3,852.60/5,316.59 = 2,084.20/x
  3. Step 3: Cross multiply
    3,852.60x = 5,316.59 × 2,084.20
  4. Step 4: Simplify right side
    3,852.60x = 11,080,826.46
  5. Step 5: Solve for x
    x = 11,080,826.46/3,852.60
  6. Step 6: Final answer
    x = 2,876.20

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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.