Home / 2,802.07-4,197.22-1,339.75

Finding the Fourth Proportional to 2,802.07, 4,197.22 and 1,339.75

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Solution

The fourth proportional to 2,802.07, 4,197.22 and 1,339.75 is: 2,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.07 : 4,197.22 = 1,339.75 : x
  2. Step 2: Convert to fraction form
    2,802.07/4,197.22 = 1,339.75/x
  3. Step 3: Cross multiply
    2,802.07x = 4,197.22 × 1,339.75
  4. Step 4: Simplify right side
    2,802.07x = 5,623,225.50
  5. Step 5: Solve for x
    x = 5,623,225.50/2,802.07
  6. Step 6: Final answer
    x = 2,006.81

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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.