Home / 3,430.28-5,143.80-1,483.04

Finding the Fourth Proportional to 3,430.28, 5,143.80 and 1,483.04

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Solution

The fourth proportional to 3,430.28, 5,143.80 and 1,483.04 is: 2,223.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.28 : 5,143.80 = 1,483.04 : x
  2. Step 2: Convert to fraction form
    3,430.28/5,143.80 = 1,483.04/x
  3. Step 3: Cross multiply
    3,430.28x = 5,143.80 × 1,483.04
  4. Step 4: Simplify right side
    3,430.28x = 7,628,461.15
  5. Step 5: Solve for x
    x = 7,628,461.15/3,430.28
  6. Step 6: Final answer
    x = 2,223.86

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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.