Home / 3,415.39-4,713.24-1,923.28

Finding the Fourth Proportional to 3,415.39, 4,713.24 and 1,923.28

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Solution

The fourth proportional to 3,415.39, 4,713.24 and 1,923.28 is: 2,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.39 : 4,713.24 = 1,923.28 : x
  2. Step 2: Convert to fraction form
    3,415.39/4,713.24 = 1,923.28/x
  3. Step 3: Cross multiply
    3,415.39x = 4,713.24 × 1,923.28
  4. Step 4: Simplify right side
    3,415.39x = 9,064,864.84
  5. Step 5: Solve for x
    x = 9,064,864.84/3,415.39
  6. Step 6: Final answer
    x = 2,654.12

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Double scale
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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.