Home / 3,344.68-5,015.56-1,590.20

Finding the Fourth Proportional to 3,344.68, 5,015.56 and 1,590.20

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Solution

The fourth proportional to 3,344.68, 5,015.56 and 1,590.20 is: 2,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.68 : 5,015.56 = 1,590.20 : x
  2. Step 2: Convert to fraction form
    3,344.68/5,015.56 = 1,590.20/x
  3. Step 3: Cross multiply
    3,344.68x = 5,015.56 × 1,590.20
  4. Step 4: Simplify right side
    3,344.68x = 7,975,743.51
  5. Step 5: Solve for x
    x = 7,975,743.51/3,344.68
  6. Step 6: Final answer
    x = 2,384.61

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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.