Home / 3,868.20-5,802.50-1,095.08

Finding the Fourth Proportional to 3,868.20, 5,802.50 and 1,095.08

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Solution

The fourth proportional to 3,868.20, 5,802.50 and 1,095.08 is: 1,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.20 : 5,802.50 = 1,095.08 : x
  2. Step 2: Convert to fraction form
    3,868.20/5,802.50 = 1,095.08/x
  3. Step 3: Cross multiply
    3,868.20x = 5,802.50 × 1,095.08
  4. Step 4: Simplify right side
    3,868.20x = 6,354,201.70
  5. Step 5: Solve for x
    x = 6,354,201.70/3,868.20
  6. Step 6: Final answer
    x = 1,642.68

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1.5x scale

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.