Home / 2,239.01-3,090.08-1,354.79

Finding the Fourth Proportional to 2,239.01, 3,090.08 and 1,354.79

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Solution

The fourth proportional to 2,239.01, 3,090.08 and 1,354.79 is: 1,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.01 : 3,090.08 = 1,354.79 : x
  2. Step 2: Convert to fraction form
    2,239.01/3,090.08 = 1,354.79/x
  3. Step 3: Cross multiply
    2,239.01x = 3,090.08 × 1,354.79
  4. Step 4: Simplify right side
    2,239.01x = 4,186,420.60
  5. Step 5: Solve for x
    x = 4,186,420.60/2,239.01
  6. Step 6: Final answer
    x = 1,869.77

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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.