Home / 3,908.23-5,393.54-2,415.00

Finding the Fourth Proportional to 3,908.23, 5,393.54 and 2,415.00

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Solution

The fourth proportional to 3,908.23, 5,393.54 and 2,415.00 is: 3,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.23 : 5,393.54 = 2,415.00 : x
  2. Step 2: Convert to fraction form
    3,908.23/5,393.54 = 2,415.00/x
  3. Step 3: Cross multiply
    3,908.23x = 5,393.54 × 2,415.00
  4. Step 4: Simplify right side
    3,908.23x = 13,025,360.06
  5. Step 5: Solve for x
    x = 13,025,360.06/3,908.23
  6. Step 6: Final answer
    x = 3,332.80

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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.