Home / 3,109.32-4,663.98-2,953.59

Finding the Fourth Proportional to 3,109.32, 4,663.98 and 2,953.59

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Solution

The fourth proportional to 3,109.32, 4,663.98 and 2,953.59 is: 4,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.32 : 4,663.98 = 2,953.59 : x
  2. Step 2: Convert to fraction form
    3,109.32/4,663.98 = 2,953.59/x
  3. Step 3: Cross multiply
    3,109.32x = 4,663.98 × 2,953.59
  4. Step 4: Simplify right side
    3,109.32x = 13,775,484.69
  5. Step 5: Solve for x
    x = 13,775,484.69/3,109.32
  6. Step 6: Final answer
    x = 4,430.39

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Similar ratio
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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.