Home / 2,316.85-3,190.29-2,001.56

Finding the Fourth Proportional to 2,316.85, 3,190.29 and 2,001.56

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Solution

The fourth proportional to 2,316.85, 3,190.29 and 2,001.56 is: 2,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.85 : 3,190.29 = 2,001.56 : x
  2. Step 2: Convert to fraction form
    2,316.85/3,190.29 = 2,001.56/x
  3. Step 3: Cross multiply
    2,316.85x = 3,190.29 × 2,001.56
  4. Step 4: Simplify right side
    2,316.85x = 6,385,551.34
  5. Step 5: Solve for x
    x = 6,385,551.34/2,316.85
  6. Step 6: Final answer
    x = 2,756.13

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1.5x scale

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.