Home / 3,109.50-4,663.58-1,029.01

Finding the Fourth Proportional to 3,109.50, 4,663.58 and 1,029.01

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Solution

The fourth proportional to 3,109.50, 4,663.58 and 1,029.01 is: 1,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.50 : 4,663.58 = 1,029.01 : x
  2. Step 2: Convert to fraction form
    3,109.50/4,663.58 = 1,029.01/x
  3. Step 3: Cross multiply
    3,109.50x = 4,663.58 × 1,029.01
  4. Step 4: Simplify right side
    3,109.50x = 4,798,870.46
  5. Step 5: Solve for x
    x = 4,798,870.46/3,109.50
  6. Step 6: Final answer
    x = 1,543.29

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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.