Home / 2,803.48-3,868.08-1,623.84

Finding the Fourth Proportional to 2,803.48, 3,868.08 and 1,623.84

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Solution

The fourth proportional to 2,803.48, 3,868.08 and 1,623.84 is: 2,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.48 : 3,868.08 = 1,623.84 : x
  2. Step 2: Convert to fraction form
    2,803.48/3,868.08 = 1,623.84/x
  3. Step 3: Cross multiply
    2,803.48x = 3,868.08 × 1,623.84
  4. Step 4: Simplify right side
    2,803.48x = 6,281,143.03
  5. Step 5: Solve for x
    x = 6,281,143.03/2,803.48
  6. Step 6: Final answer
    x = 2,240.48

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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.