Home / 3,256.94-4,490.88-2,313.02

Finding the Fourth Proportional to 3,256.94, 4,490.88 and 2,313.02

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Solution

The fourth proportional to 3,256.94, 4,490.88 and 2,313.02 is: 3,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.94 : 4,490.88 = 2,313.02 : x
  2. Step 2: Convert to fraction form
    3,256.94/4,490.88 = 2,313.02/x
  3. Step 3: Cross multiply
    3,256.94x = 4,490.88 × 2,313.02
  4. Step 4: Simplify right side
    3,256.94x = 10,387,495.26
  5. Step 5: Solve for x
    x = 10,387,495.26/3,256.94
  6. Step 6: Final answer
    x = 3,189.34

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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.