Home / 3,603.36-4,970-2,277.28

Finding the Fourth Proportional to 3,603.36, 4,970 and 2,277.28

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Solution

The fourth proportional to 3,603.36, 4,970 and 2,277.28 is: 3,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.36 : 4,970 = 2,277.28 : x
  2. Step 2: Convert to fraction form
    3,603.36/4,970 = 2,277.28/x
  3. Step 3: Cross multiply
    3,603.36x = 4,970 × 2,277.28
  4. Step 4: Simplify right side
    3,603.36x = 11,318,081.60
  5. Step 5: Solve for x
    x = 11,318,081.60/3,603.36
  6. Step 6: Final answer
    x = 3,140.98

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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.