Home / 3,268.39-4,510.40-1,776.31

Finding the Fourth Proportional to 3,268.39, 4,510.40 and 1,776.31

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Solution

The fourth proportional to 3,268.39, 4,510.40 and 1,776.31 is: 2,451.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.39 : 4,510.40 = 1,776.31 : x
  2. Step 2: Convert to fraction form
    3,268.39/4,510.40 = 1,776.31/x
  3. Step 3: Cross multiply
    3,268.39x = 4,510.40 × 1,776.31
  4. Step 4: Simplify right side
    3,268.39x = 8,011,865.12
  5. Step 5: Solve for x
    x = 8,011,865.12/3,268.39
  6. Step 6: Final answer
    x = 2,451.32

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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.