Home / 3,690.11-5,089.04-2,430.71

Finding the Fourth Proportional to 3,690.11, 5,089.04 and 2,430.71

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Solution

The fourth proportional to 3,690.11, 5,089.04 and 2,430.71 is: 3,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.11 : 5,089.04 = 2,430.71 : x
  2. Step 2: Convert to fraction form
    3,690.11/5,089.04 = 2,430.71/x
  3. Step 3: Cross multiply
    3,690.11x = 5,089.04 × 2,430.71
  4. Step 4: Simplify right side
    3,690.11x = 12,369,980.99
  5. Step 5: Solve for x
    x = 12,369,980.99/3,690.11
  6. Step 6: Final answer
    x = 3,352.20

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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.