Home / 3,128.24-4,688.04-1,484.48

Finding the Fourth Proportional to 3,128.24, 4,688.04 and 1,484.48

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Solution

The fourth proportional to 3,128.24, 4,688.04 and 1,484.48 is: 2,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.24 : 4,688.04 = 1,484.48 : x
  2. Step 2: Convert to fraction form
    3,128.24/4,688.04 = 1,484.48/x
  3. Step 3: Cross multiply
    3,128.24x = 4,688.04 × 1,484.48
  4. Step 4: Simplify right side
    3,128.24x = 6,959,301.62
  5. Step 5: Solve for x
    x = 6,959,301.62/3,128.24
  6. Step 6: Final answer
    x = 2,224.67

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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.