Home / 3,343.59-5,015.31-1,370.28

Finding the Fourth Proportional to 3,343.59, 5,015.31 and 1,370.28

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Solution

The fourth proportional to 3,343.59, 5,015.31 and 1,370.28 is: 2,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.59 : 5,015.31 = 1,370.28 : x
  2. Step 2: Convert to fraction form
    3,343.59/5,015.31 = 1,370.28/x
  3. Step 3: Cross multiply
    3,343.59x = 5,015.31 × 1,370.28
  4. Step 4: Simplify right side
    3,343.59x = 6,872,378.99
  5. Step 5: Solve for x
    x = 6,872,378.99/3,343.59
  6. Step 6: Final answer
    x = 2,055.39

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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.