Home / 3,603.80-4,971.88-2,277

Finding the Fourth Proportional to 3,603.80, 4,971.88 and 2,277

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Solution

The fourth proportional to 3,603.80, 4,971.88 and 2,277 is: 3,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.80 : 4,971.88 = 2,277 : x
  2. Step 2: Convert to fraction form
    3,603.80/4,971.88 = 2,277/x
  3. Step 3: Cross multiply
    3,603.80x = 4,971.88 × 2,277
  4. Step 4: Simplify right side
    3,603.80x = 11,320,970.76
  5. Step 5: Solve for x
    x = 11,320,970.76/3,603.80
  6. Step 6: Final answer
    x = 3,141.40

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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.