Home / 3,089.58-4,631.10-1,009.03

Finding the Fourth Proportional to 3,089.58, 4,631.10 and 1,009.03

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Solution

The fourth proportional to 3,089.58, 4,631.10 and 1,009.03 is: 1,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.58 : 4,631.10 = 1,009.03 : x
  2. Step 2: Convert to fraction form
    3,089.58/4,631.10 = 1,009.03/x
  3. Step 3: Cross multiply
    3,089.58x = 4,631.10 × 1,009.03
  4. Step 4: Simplify right side
    3,089.58x = 4,672,910.17
  5. Step 5: Solve for x
    x = 4,672,910.17/3,089.58
  6. Step 6: Final answer
    x = 1,512.47

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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.