Home / 2,239.35-3,090.36-1,354.64

Finding the Fourth Proportional to 2,239.35, 3,090.36 and 1,354.64

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Solution

The fourth proportional to 2,239.35, 3,090.36 and 1,354.64 is: 1,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.35 : 3,090.36 = 1,354.64 : x
  2. Step 2: Convert to fraction form
    2,239.35/3,090.36 = 1,354.64/x
  3. Step 3: Cross multiply
    2,239.35x = 3,090.36 × 1,354.64
  4. Step 4: Simplify right side
    2,239.35x = 4,186,303.05
  5. Step 5: Solve for x
    x = 4,186,303.05/2,239.35
  6. Step 6: Final answer
    x = 1,869.43

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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.