Home / 3,603.08-5,430.44-3,402.12

Finding the Fourth Proportional to 3,603.08, 5,430.44 and 3,402.12

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Solution

The fourth proportional to 3,603.08, 5,430.44 and 3,402.12 is: 5,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.08 : 5,430.44 = 3,402.12 : x
  2. Step 2: Convert to fraction form
    3,603.08/5,430.44 = 3,402.12/x
  3. Step 3: Cross multiply
    3,603.08x = 5,430.44 × 3,402.12
  4. Step 4: Simplify right side
    3,603.08x = 18,475,008.53
  5. Step 5: Solve for x
    x = 18,475,008.53/3,603.08
  6. Step 6: Final answer
    x = 5,127.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.