Home / 3,048.12-4,208.36-2,489.93

Finding the Fourth Proportional to 3,048.12, 4,208.36 and 2,489.93

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Solution

The fourth proportional to 3,048.12, 4,208.36 and 2,489.93 is: 3,437.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.12 : 4,208.36 = 2,489.93 : x
  2. Step 2: Convert to fraction form
    3,048.12/4,208.36 = 2,489.93/x
  3. Step 3: Cross multiply
    3,048.12x = 4,208.36 × 2,489.93
  4. Step 4: Simplify right side
    3,048.12x = 10,478,488.32
  5. Step 5: Solve for x
    x = 10,478,488.32/3,048.12
  6. Step 6: Final answer
    x = 3,437.69

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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.