Home / 3,730.64-5,148.34-2,052.12

Finding the Fourth Proportional to 3,730.64, 5,148.34 and 2,052.12

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Solution

The fourth proportional to 3,730.64, 5,148.34 and 2,052.12 is: 2,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.64 : 5,148.34 = 2,052.12 : x
  2. Step 2: Convert to fraction form
    3,730.64/5,148.34 = 2,052.12/x
  3. Step 3: Cross multiply
    3,730.64x = 5,148.34 × 2,052.12
  4. Step 4: Simplify right side
    3,730.64x = 10,565,011.48
  5. Step 5: Solve for x
    x = 10,565,011.48/3,730.64
  6. Step 6: Final answer
    x = 2,831.96

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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.