Home / 3,784.13-5,225.16-3,385.09

Finding the Fourth Proportional to 3,784.13, 5,225.16 and 3,385.09

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Solution

The fourth proportional to 3,784.13, 5,225.16 and 3,385.09 is: 4,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.13 : 5,225.16 = 3,385.09 : x
  2. Step 2: Convert to fraction form
    3,784.13/5,225.16 = 3,385.09/x
  3. Step 3: Cross multiply
    3,784.13x = 5,225.16 × 3,385.09
  4. Step 4: Simplify right side
    3,784.13x = 17,687,637.05
  5. Step 5: Solve for x
    x = 17,687,637.05/3,784.13
  6. Step 6: Final answer
    x = 4,674.16

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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.