Home / 3,859.07-5,324.81-2,602.15

Finding the Fourth Proportional to 3,859.07, 5,324.81 and 2,602.15

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Solution

The fourth proportional to 3,859.07, 5,324.81 and 2,602.15 is: 3,590.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.07 : 5,324.81 = 2,602.15 : x
  2. Step 2: Convert to fraction form
    3,859.07/5,324.81 = 2,602.15/x
  3. Step 3: Cross multiply
    3,859.07x = 5,324.81 × 2,602.15
  4. Step 4: Simplify right side
    3,859.07x = 13,855,928.02
  5. Step 5: Solve for x
    x = 13,855,928.02/3,859.07
  6. Step 6: Final answer
    x = 3,590.49

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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.