Home / 1,491.27-2,239.40-1,335.34

Finding the Fourth Proportional to 1,491.27, 2,239.40 and 1,335.34

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Solution

The fourth proportional to 1,491.27, 2,239.40 and 1,335.34 is: 2,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.27 : 2,239.40 = 1,335.34 : x
  2. Step 2: Convert to fraction form
    1,491.27/2,239.40 = 1,335.34/x
  3. Step 3: Cross multiply
    1,491.27x = 2,239.40 × 1,335.34
  4. Step 4: Simplify right side
    1,491.27x = 2,990,360.40
  5. Step 5: Solve for x
    x = 2,990,360.40/1,491.27
  6. Step 6: Final answer
    x = 2,005.24

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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.