Home / 2,938.79-4,407.09-2,060.84

Finding the Fourth Proportional to 2,938.79, 4,407.09 and 2,060.84

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Solution

The fourth proportional to 2,938.79, 4,407.09 and 2,060.84 is: 3,090.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.79 : 4,407.09 = 2,060.84 : x
  2. Step 2: Convert to fraction form
    2,938.79/4,407.09 = 2,060.84/x
  3. Step 3: Cross multiply
    2,938.79x = 4,407.09 × 2,060.84
  4. Step 4: Simplify right side
    2,938.79x = 9,082,307.36
  5. Step 5: Solve for x
    x = 9,082,307.36/2,938.79
  6. Step 6: Final answer
    x = 3,090.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.