Home / 2,110.04-2,912.02-1,178.68

Finding the Fourth Proportional to 2,110.04, 2,912.02 and 1,178.68

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Solution

The fourth proportional to 2,110.04, 2,912.02 and 1,178.68 is: 1,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.04 : 2,912.02 = 1,178.68 : x
  2. Step 2: Convert to fraction form
    2,110.04/2,912.02 = 1,178.68/x
  3. Step 3: Cross multiply
    2,110.04x = 2,912.02 × 1,178.68
  4. Step 4: Simplify right side
    2,110.04x = 3,432,339.73
  5. Step 5: Solve for x
    x = 3,432,339.73/2,110.04
  6. Step 6: Final answer
    x = 1,626.67

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1.5x scale

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.