Home / 3,093.84-4,642.58-1,147.40

Finding the Fourth Proportional to 3,093.84, 4,642.58 and 1,147.40

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Solution

The fourth proportional to 3,093.84, 4,642.58 and 1,147.40 is: 1,721.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.84 : 4,642.58 = 1,147.40 : x
  2. Step 2: Convert to fraction form
    3,093.84/4,642.58 = 1,147.40/x
  3. Step 3: Cross multiply
    3,093.84x = 4,642.58 × 1,147.40
  4. Step 4: Simplify right side
    3,093.84x = 5,326,896.29
  5. Step 5: Solve for x
    x = 5,326,896.29/3,093.84
  6. Step 6: Final answer
    x = 1,721.77

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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.