Home / 2,715.11-4,066.89-1,603.34

Finding the Fourth Proportional to 2,715.11, 4,066.89 and 1,603.34

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Solution

The fourth proportional to 2,715.11, 4,066.89 and 1,603.34 is: 2,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.11 : 4,066.89 = 1,603.34 : x
  2. Step 2: Convert to fraction form
    2,715.11/4,066.89 = 1,603.34/x
  3. Step 3: Cross multiply
    2,715.11x = 4,066.89 × 1,603.34
  4. Step 4: Simplify right side
    2,715.11x = 6,520,607.41
  5. Step 5: Solve for x
    x = 6,520,607.41/2,715.11
  6. Step 6: Final answer
    x = 2,401.60

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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.