Home / 3,125.08-4,686.18-1,369.99

Finding the Fourth Proportional to 3,125.08, 4,686.18 and 1,369.99

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Solution

The fourth proportional to 3,125.08, 4,686.18 and 1,369.99 is: 2,054.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.08 : 4,686.18 = 1,369.99 : x
  2. Step 2: Convert to fraction form
    3,125.08/4,686.18 = 1,369.99/x
  3. Step 3: Cross multiply
    3,125.08x = 4,686.18 × 1,369.99
  4. Step 4: Simplify right side
    3,125.08x = 6,420,019.74
  5. Step 5: Solve for x
    x = 6,420,019.74/3,125.08
  6. Step 6: Final answer
    x = 2,054.35

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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.