Home / 2,239.50-3,090.48-1,294.94

Finding the Fourth Proportional to 2,239.50, 3,090.48 and 1,294.94

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Solution

The fourth proportional to 2,239.50, 3,090.48 and 1,294.94 is: 1,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.50 : 3,090.48 = 1,294.94 : x
  2. Step 2: Convert to fraction form
    2,239.50/3,090.48 = 1,294.94/x
  3. Step 3: Cross multiply
    2,239.50x = 3,090.48 × 1,294.94
  4. Step 4: Simplify right side
    2,239.50x = 4,001,986.17
  5. Step 5: Solve for x
    x = 4,001,986.17/2,239.50
  6. Step 6: Final answer
    x = 1,787.00

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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.