Home / 3,955.06-5,457.62-2,276.02

Finding the Fourth Proportional to 3,955.06, 5,457.62 and 2,276.02

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Solution

The fourth proportional to 3,955.06, 5,457.62 and 2,276.02 is: 3,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.06 : 5,457.62 = 2,276.02 : x
  2. Step 2: Convert to fraction form
    3,955.06/5,457.62 = 2,276.02/x
  3. Step 3: Cross multiply
    3,955.06x = 5,457.62 × 2,276.02
  4. Step 4: Simplify right side
    3,955.06x = 12,421,652.27
  5. Step 5: Solve for x
    x = 12,421,652.27/3,955.06
  6. Step 6: Final answer
    x = 3,140.70

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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.