Home / 1,932.46-2,666.81-1,135.57

Finding the Fourth Proportional to 1,932.46, 2,666.81 and 1,135.57

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Solution

The fourth proportional to 1,932.46, 2,666.81 and 1,135.57 is: 1,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.46 : 2,666.81 = 1,135.57 : x
  2. Step 2: Convert to fraction form
    1,932.46/2,666.81 = 1,135.57/x
  3. Step 3: Cross multiply
    1,932.46x = 2,666.81 × 1,135.57
  4. Step 4: Simplify right side
    1,932.46x = 3,028,349.43
  5. Step 5: Solve for x
    x = 3,028,349.43/1,932.46
  6. Step 6: Final answer
    x = 1,567.10

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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.