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Finding the Fourth Proportional to 2,602.59, 3,904.52 and 753.66

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Solution

The fourth proportional to 2,602.59, 3,904.52 and 753.66 is: 1,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.59 : 3,904.52 = 753.66 : x
  2. Step 2: Convert to fraction form
    2,602.59/3,904.52 = 753.66/x
  3. Step 3: Cross multiply
    2,602.59x = 3,904.52 × 753.66
  4. Step 4: Simplify right side
    2,602.59x = 2,942,676.77
  5. Step 5: Solve for x
    x = 2,942,676.77/2,602.59
  6. Step 6: Final answer
    x = 1,130.67

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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.