Home / 2,935.80-4,392.36-2,690.64

Finding the Fourth Proportional to 2,935.80, 4,392.36 and 2,690.64

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Solution

The fourth proportional to 2,935.80, 4,392.36 and 2,690.64 is: 4,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.80 : 4,392.36 = 2,690.64 : x
  2. Step 2: Convert to fraction form
    2,935.80/4,392.36 = 2,690.64/x
  3. Step 3: Cross multiply
    2,935.80x = 4,392.36 × 2,690.64
  4. Step 4: Simplify right side
    2,935.80x = 11,818,259.51
  5. Step 5: Solve for x
    x = 11,818,259.51/2,935.80
  6. Step 6: Final answer
    x = 4,025.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.