Home / 1,491.24-2,235.12-1,095.35

Finding the Fourth Proportional to 1,491.24, 2,235.12 and 1,095.35

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Solution

The fourth proportional to 1,491.24, 2,235.12 and 1,095.35 is: 1,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.24 : 2,235.12 = 1,095.35 : x
  2. Step 2: Convert to fraction form
    1,491.24/2,235.12 = 1,095.35/x
  3. Step 3: Cross multiply
    1,491.24x = 2,235.12 × 1,095.35
  4. Step 4: Simplify right side
    1,491.24x = 2,448,227.52
  5. Step 5: Solve for x
    x = 2,448,227.52/1,491.24
  6. Step 6: Final answer
    x = 1,641.74

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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.