Home / 2,477.62-3,717.24-1,178.92

Finding the Fourth Proportional to 2,477.62, 3,717.24 and 1,178.92

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Solution

The fourth proportional to 2,477.62, 3,717.24 and 1,178.92 is: 1,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.62 : 3,717.24 = 1,178.92 : x
  2. Step 2: Convert to fraction form
    2,477.62/3,717.24 = 1,178.92/x
  3. Step 3: Cross multiply
    2,477.62x = 3,717.24 × 1,178.92
  4. Step 4: Simplify right side
    2,477.62x = 4,382,328.58
  5. Step 5: Solve for x
    x = 4,382,328.58/2,477.62
  6. Step 6: Final answer
    x = 1,768.77

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1.5x scale

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.