Home / 3,954.23-5,457.08-2,275.60

Finding the Fourth Proportional to 3,954.23, 5,457.08 and 2,275.60

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Solution

The fourth proportional to 3,954.23, 5,457.08 and 2,275.60 is: 3,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.23 : 5,457.08 = 2,275.60 : x
  2. Step 2: Convert to fraction form
    3,954.23/5,457.08 = 2,275.60/x
  3. Step 3: Cross multiply
    3,954.23x = 5,457.08 × 2,275.60
  4. Step 4: Simplify right side
    3,954.23x = 12,418,131.25
  5. Step 5: Solve for x
    x = 12,418,131.25/3,954.23
  6. Step 6: Final answer
    x = 3,140.47

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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.