Home / 3,135.52-4,698.48-2,108.32

Finding the Fourth Proportional to 3,135.52, 4,698.48 and 2,108.32

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Solution

The fourth proportional to 3,135.52, 4,698.48 and 2,108.32 is: 3,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.52 : 4,698.48 = 2,108.32 : x
  2. Step 2: Convert to fraction form
    3,135.52/4,698.48 = 2,108.32/x
  3. Step 3: Cross multiply
    3,135.52x = 4,698.48 × 2,108.32
  4. Step 4: Simplify right side
    3,135.52x = 9,905,899.35
  5. Step 5: Solve for x
    x = 9,905,899.35/3,135.52
  6. Step 6: Final answer
    x = 3,159.25

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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.