Home / 3,341.36-5,011.96-1,120.36

Finding the Fourth Proportional to 3,341.36, 5,011.96 and 1,120.36

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Solution

The fourth proportional to 3,341.36, 5,011.96 and 1,120.36 is: 1,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.36 : 5,011.96 = 1,120.36 : x
  2. Step 2: Convert to fraction form
    3,341.36/5,011.96 = 1,120.36/x
  3. Step 3: Cross multiply
    3,341.36x = 5,011.96 × 1,120.36
  4. Step 4: Simplify right side
    3,341.36x = 5,615,199.51
  5. Step 5: Solve for x
    x = 5,615,199.51/3,341.36
  6. Step 6: Final answer
    x = 1,680.51

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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.