Home / 2,239.02-3,089.80-1,244.28

Finding the Fourth Proportional to 2,239.02, 3,089.80 and 1,244.28

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Solution

The fourth proportional to 2,239.02, 3,089.80 and 1,244.28 is: 1,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.02 : 3,089.80 = 1,244.28 : x
  2. Step 2: Convert to fraction form
    2,239.02/3,089.80 = 1,244.28/x
  3. Step 3: Cross multiply
    2,239.02x = 3,089.80 × 1,244.28
  4. Step 4: Simplify right side
    2,239.02x = 3,844,576.34
  5. Step 5: Solve for x
    x = 3,844,576.34/2,239.02
  6. Step 6: Final answer
    x = 1,717.08

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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.