Home / 3,782.13-5,223.72-2,521.13

Finding the Fourth Proportional to 3,782.13, 5,223.72 and 2,521.13

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Solution

The fourth proportional to 3,782.13, 5,223.72 and 2,521.13 is: 3,482.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.13 : 5,223.72 = 2,521.13 : x
  2. Step 2: Convert to fraction form
    3,782.13/5,223.72 = 2,521.13/x
  3. Step 3: Cross multiply
    3,782.13x = 5,223.72 × 2,521.13
  4. Step 4: Simplify right side
    3,782.13x = 13,169,660.54
  5. Step 5: Solve for x
    x = 13,169,660.54/3,782.13
  6. Step 6: Final answer
    x = 3,482.08

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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.