Home / 3,342.36-4,613.40-2,015.76

Finding the Fourth Proportional to 3,342.36, 4,613.40 and 2,015.76

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Solution

The fourth proportional to 3,342.36, 4,613.40 and 2,015.76 is: 2,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.36 : 4,613.40 = 2,015.76 : x
  2. Step 2: Convert to fraction form
    3,342.36/4,613.40 = 2,015.76/x
  3. Step 3: Cross multiply
    3,342.36x = 4,613.40 × 2,015.76
  4. Step 4: Simplify right side
    3,342.36x = 9,299,507.18
  5. Step 5: Solve for x
    x = 9,299,507.18/3,342.36
  6. Step 6: Final answer
    x = 2,782.32

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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.