Home / 2,603.04-3,897.60-1,627.20

Finding the Fourth Proportional to 2,603.04, 3,897.60 and 1,627.20

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Solution

The fourth proportional to 2,603.04, 3,897.60 and 1,627.20 is: 2,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.04 : 3,897.60 = 1,627.20 : x
  2. Step 2: Convert to fraction form
    2,603.04/3,897.60 = 1,627.20/x
  3. Step 3: Cross multiply
    2,603.04x = 3,897.60 × 1,627.20
  4. Step 4: Simplify right side
    2,603.04x = 6,342,174.72
  5. Step 5: Solve for x
    x = 6,342,174.72/2,603.04
  6. Step 6: Final answer
    x = 2,436.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.