Home / 3,603.08-4,972.28-2,111.04

Finding the Fourth Proportional to 3,603.08, 4,972.28 and 2,111.04

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Solution

The fourth proportional to 3,603.08, 4,972.28 and 2,111.04 is: 2,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.08 : 4,972.28 = 2,111.04 : x
  2. Step 2: Convert to fraction form
    3,603.08/4,972.28 = 2,111.04/x
  3. Step 3: Cross multiply
    3,603.08x = 4,972.28 × 2,111.04
  4. Step 4: Simplify right side
    3,603.08x = 10,496,681.97
  5. Step 5: Solve for x
    x = 10,496,681.97/3,603.08
  6. Step 6: Final answer
    x = 2,913.25

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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.