Home / 3,159.37-4,737.21-1,308.93

Finding the Fourth Proportional to 3,159.37, 4,737.21 and 1,308.93

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Solution

The fourth proportional to 3,159.37, 4,737.21 and 1,308.93 is: 1,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.37 : 4,737.21 = 1,308.93 : x
  2. Step 2: Convert to fraction form
    3,159.37/4,737.21 = 1,308.93/x
  3. Step 3: Cross multiply
    3,159.37x = 4,737.21 × 1,308.93
  4. Step 4: Simplify right side
    3,159.37x = 6,200,676.29
  5. Step 5: Solve for x
    x = 6,200,676.29/3,159.37
  6. Step 6: Final answer
    x = 1,962.63

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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.