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Finding the Fourth Proportional to 3,603.69, 4,971.60 and 2,606.76

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Solution

The fourth proportional to 3,603.69, 4,971.60 and 2,606.76 is: 3,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.69 : 4,971.60 = 2,606.76 : x
  2. Step 2: Convert to fraction form
    3,603.69/4,971.60 = 2,606.76/x
  3. Step 3: Cross multiply
    3,603.69x = 4,971.60 × 2,606.76
  4. Step 4: Simplify right side
    3,603.69x = 12,959,768.02
  5. Step 5: Solve for x
    x = 12,959,768.02/3,603.69
  6. Step 6: Final answer
    x = 3,596.25

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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.