Home / 3,720.12-5,133.69-2,393.82

Finding the Fourth Proportional to 3,720.12, 5,133.69 and 2,393.82

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Solution

The fourth proportional to 3,720.12, 5,133.69 and 2,393.82 is: 3,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.12 : 5,133.69 = 2,393.82 : x
  2. Step 2: Convert to fraction form
    3,720.12/5,133.69 = 2,393.82/x
  3. Step 3: Cross multiply
    3,720.12x = 5,133.69 × 2,393.82
  4. Step 4: Simplify right side
    3,720.12x = 12,289,117.83
  5. Step 5: Solve for x
    x = 12,289,117.83/3,720.12
  6. Step 6: Final answer
    x = 3,303.42

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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.