Home / 3,862.35-5,330.75-2,603.39

Finding the Fourth Proportional to 3,862.35, 5,330.75 and 2,603.39

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Solution

The fourth proportional to 3,862.35, 5,330.75 and 2,603.39 is: 3,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.35 : 5,330.75 = 2,603.39 : x
  2. Step 2: Convert to fraction form
    3,862.35/5,330.75 = 2,603.39/x
  3. Step 3: Cross multiply
    3,862.35x = 5,330.75 × 2,603.39
  4. Step 4: Simplify right side
    3,862.35x = 13,877,981.57
  5. Step 5: Solve for x
    x = 13,877,981.57/3,862.35
  6. Step 6: Final answer
    x = 3,593.14

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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.