Home / 2,053.08-3,082.34-1,221.68

Finding the Fourth Proportional to 2,053.08, 3,082.34 and 1,221.68

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Solution

The fourth proportional to 2,053.08, 3,082.34 and 1,221.68 is: 1,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.08 : 3,082.34 = 1,221.68 : x
  2. Step 2: Convert to fraction form
    2,053.08/3,082.34 = 1,221.68/x
  3. Step 3: Cross multiply
    2,053.08x = 3,082.34 × 1,221.68
  4. Step 4: Simplify right side
    2,053.08x = 3,765,643.89
  5. Step 5: Solve for x
    x = 3,765,643.89/2,053.08
  6. Step 6: Final answer
    x = 1,834.14

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1.5x scale

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.