Home / 3,993.47-5,510.93-2,225.08

Finding the Fourth Proportional to 3,993.47, 5,510.93 and 2,225.08

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Solution

The fourth proportional to 3,993.47, 5,510.93 and 2,225.08 is: 3,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.47 : 5,510.93 = 2,225.08 : x
  2. Step 2: Convert to fraction form
    3,993.47/5,510.93 = 2,225.08/x
  3. Step 3: Cross multiply
    3,993.47x = 5,510.93 × 2,225.08
  4. Step 4: Simplify right side
    3,993.47x = 12,262,260.12
  5. Step 5: Solve for x
    x = 12,262,260.12/3,993.47
  6. Step 6: Final answer
    x = 3,070.58

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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.