Home / 3,903.65-5,388.89-2,412.44

Finding the Fourth Proportional to 3,903.65, 5,388.89 and 2,412.44

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Solution

The fourth proportional to 3,903.65, 5,388.89 and 2,412.44 is: 3,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.65 : 5,388.89 = 2,412.44 : x
  2. Step 2: Convert to fraction form
    3,903.65/5,388.89 = 2,412.44/x
  3. Step 3: Cross multiply
    3,903.65x = 5,388.89 × 2,412.44
  4. Step 4: Simplify right side
    3,903.65x = 13,000,373.79
  5. Step 5: Solve for x
    x = 13,000,373.79/3,903.65
  6. Step 6: Final answer
    x = 3,330.31

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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.