Home / 3,280.64-4,526.96-2,288.05

Finding the Fourth Proportional to 3,280.64, 4,526.96 and 2,288.05

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Solution

The fourth proportional to 3,280.64, 4,526.96 and 2,288.05 is: 3,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.64 : 4,526.96 = 2,288.05 : x
  2. Step 2: Convert to fraction form
    3,280.64/4,526.96 = 2,288.05/x
  3. Step 3: Cross multiply
    3,280.64x = 4,526.96 × 2,288.05
  4. Step 4: Simplify right side
    3,280.64x = 10,357,888.07
  5. Step 5: Solve for x
    x = 10,357,888.07/3,280.64
  6. Step 6: Final answer
    x = 3,157.28

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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.