Home / 2,772.09-3,803.95-2,521.50

Finding the Fourth Proportional to 2,772.09, 3,803.95 and 2,521.50

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Solution

The fourth proportional to 2,772.09, 3,803.95 and 2,521.50 is: 3,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.09 : 3,803.95 = 2,521.50 : x
  2. Step 2: Convert to fraction form
    2,772.09/3,803.95 = 2,521.50/x
  3. Step 3: Cross multiply
    2,772.09x = 3,803.95 × 2,521.50
  4. Step 4: Simplify right side
    2,772.09x = 9,591,659.93
  5. Step 5: Solve for x
    x = 9,591,659.93/2,772.09
  6. Step 6: Final answer
    x = 3,460.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.