Home / 3,109.59-4,670.46-2,995.38

Finding the Fourth Proportional to 3,109.59, 4,670.46 and 2,995.38

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Solution

The fourth proportional to 3,109.59, 4,670.46 and 2,995.38 is: 4,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.59 : 4,670.46 = 2,995.38 : x
  2. Step 2: Convert to fraction form
    3,109.59/4,670.46 = 2,995.38/x
  3. Step 3: Cross multiply
    3,109.59x = 4,670.46 × 2,995.38
  4. Step 4: Simplify right side
    3,109.59x = 13,989,802.47
  5. Step 5: Solve for x
    x = 13,989,802.47/3,109.59
  6. Step 6: Final answer
    x = 4,498.92

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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.