Home / 3,153.55-4,730.90-1,073.46

Finding the Fourth Proportional to 3,153.55, 4,730.90 and 1,073.46

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Solution

The fourth proportional to 3,153.55, 4,730.90 and 1,073.46 is: 1,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.55 : 4,730.90 = 1,073.46 : x
  2. Step 2: Convert to fraction form
    3,153.55/4,730.90 = 1,073.46/x
  3. Step 3: Cross multiply
    3,153.55x = 4,730.90 × 1,073.46
  4. Step 4: Simplify right side
    3,153.55x = 5,078,408.26
  5. Step 5: Solve for x
    x = 5,078,408.26/3,153.55
  6. Step 6: Final answer
    x = 1,610.38

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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.