Home / 1,330.83-2,004.14-1,113.55

Finding the Fourth Proportional to 1,330.83, 2,004.14 and 1,113.55

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Solution

The fourth proportional to 1,330.83, 2,004.14 and 1,113.55 is: 1,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330.83 : 2,004.14 = 1,113.55 : x
  2. Step 2: Convert to fraction form
    1,330.83/2,004.14 = 1,113.55/x
  3. Step 3: Cross multiply
    1,330.83x = 2,004.14 × 1,113.55
  4. Step 4: Simplify right side
    1,330.83x = 2,231,707.87
  5. Step 5: Solve for x
    x = 2,231,707.87/1,330.83
  6. Step 6: Final answer
    x = 1,676.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.