Home / 2,966.47-4,093.57-1,640.09

Finding the Fourth Proportional to 2,966.47, 4,093.57 and 1,640.09

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Solution

The fourth proportional to 2,966.47, 4,093.57 and 1,640.09 is: 2,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.47 : 4,093.57 = 1,640.09 : x
  2. Step 2: Convert to fraction form
    2,966.47/4,093.57 = 1,640.09/x
  3. Step 3: Cross multiply
    2,966.47x = 4,093.57 × 1,640.09
  4. Step 4: Simplify right side
    2,966.47x = 6,713,823.22
  5. Step 5: Solve for x
    x = 6,713,823.22/2,966.47
  6. Step 6: Final answer
    x = 2,263.24

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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.