Home / 2,330.01-3,216.11-1,491.21

Finding the Fourth Proportional to 2,330.01, 3,216.11 and 1,491.21

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Solution

The fourth proportional to 2,330.01, 3,216.11 and 1,491.21 is: 2,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.01 : 3,216.11 = 1,491.21 : x
  2. Step 2: Convert to fraction form
    2,330.01/3,216.11 = 1,491.21/x
  3. Step 3: Cross multiply
    2,330.01x = 3,216.11 × 1,491.21
  4. Step 4: Simplify right side
    2,330.01x = 4,795,887.94
  5. Step 5: Solve for x
    x = 4,795,887.94/2,330.01
  6. Step 6: Final answer
    x = 2,058.31

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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.