Home / 3,909.04-5,395.08-2,230.46

Finding the Fourth Proportional to 3,909.04, 5,395.08 and 2,230.46

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Solution

The fourth proportional to 3,909.04, 5,395.08 and 2,230.46 is: 3,078.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.04 : 5,395.08 = 2,230.46 : x
  2. Step 2: Convert to fraction form
    3,909.04/5,395.08 = 2,230.46/x
  3. Step 3: Cross multiply
    3,909.04x = 5,395.08 × 2,230.46
  4. Step 4: Simplify right side
    3,909.04x = 12,033,510.14
  5. Step 5: Solve for x
    x = 12,033,510.14/3,909.04
  6. Step 6: Final answer
    x = 3,078.38

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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.