Home / 3,125.48-4,686.08-1,176

Finding the Fourth Proportional to 3,125.48, 4,686.08 and 1,176

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Solution

The fourth proportional to 3,125.48, 4,686.08 and 1,176 is: 1,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.48 : 4,686.08 = 1,176 : x
  2. Step 2: Convert to fraction form
    3,125.48/4,686.08 = 1,176/x
  3. Step 3: Cross multiply
    3,125.48x = 4,686.08 × 1,176
  4. Step 4: Simplify right side
    3,125.48x = 5,510,824.20
  5. Step 5: Solve for x
    x = 5,510,824.20/3,125.48
  6. Step 6: Final answer
    x = 1,763.20

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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.