Home / 3,852.60-5,779.08-1,880.04

Finding the Fourth Proportional to 3,852.60, 5,779.08 and 1,880.04

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Solution

The fourth proportional to 3,852.60, 5,779.08 and 1,880.04 is: 2,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.60 : 5,779.08 = 1,880.04 : x
  2. Step 2: Convert to fraction form
    3,852.60/5,779.08 = 1,880.04/x
  3. Step 3: Cross multiply
    3,852.60x = 5,779.08 × 1,880.04
  4. Step 4: Simplify right side
    3,852.60x = 10,864,901.56
  5. Step 5: Solve for x
    x = 10,864,901.56/3,852.60
  6. Step 6: Final answer
    x = 2,820.15

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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.