Home / 2,316.64-3,190.55-2,001.80

Finding the Fourth Proportional to 2,316.64, 3,190.55 and 2,001.80

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Solution

The fourth proportional to 2,316.64, 3,190.55 and 2,001.80 is: 2,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.64 : 3,190.55 = 2,001.80 : x
  2. Step 2: Convert to fraction form
    2,316.64/3,190.55 = 2,001.80/x
  3. Step 3: Cross multiply
    2,316.64x = 3,190.55 × 2,001.80
  4. Step 4: Simplify right side
    2,316.64x = 6,386,840.96
  5. Step 5: Solve for x
    x = 6,386,840.96/2,316.64
  6. Step 6: Final answer
    x = 2,756.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.