Home / 4,180.40-6,270.56-1,102.40

Finding the Fourth Proportional to 4,180.40, 6,270.56 and 1,102.40

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Solution

The fourth proportional to 4,180.40, 6,270.56 and 1,102.40 is: 1,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.40 : 6,270.56 = 1,102.40 : x
  2. Step 2: Convert to fraction form
    4,180.40/6,270.56 = 1,102.40/x
  3. Step 3: Cross multiply
    4,180.40x = 6,270.56 × 1,102.40
  4. Step 4: Simplify right side
    4,180.40x = 6,912,665.34
  5. Step 5: Solve for x
    x = 6,912,665.34/4,180.40
  6. Step 6: Final answer
    x = 1,653.59

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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.