Home / 1,491.22-2,234.40-1,056.25

Finding the Fourth Proportional to 1,491.22, 2,234.40 and 1,056.25

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Solution

The fourth proportional to 1,491.22, 2,234.40 and 1,056.25 is: 1,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.22 : 2,234.40 = 1,056.25 : x
  2. Step 2: Convert to fraction form
    1,491.22/2,234.40 = 1,056.25/x
  3. Step 3: Cross multiply
    1,491.22x = 2,234.40 × 1,056.25
  4. Step 4: Simplify right side
    1,491.22x = 2,360,085
  5. Step 5: Solve for x
    x = 2,360,085/1,491.22
  6. Step 6: Final answer
    x = 1,582.65

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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.