Home / 3,631.32-5,018.22-2,931.48

Finding the Fourth Proportional to 3,631.32, 5,018.22 and 2,931.48

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Solution

The fourth proportional to 3,631.32, 5,018.22 and 2,931.48 is: 4,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.32 : 5,018.22 = 2,931.48 : x
  2. Step 2: Convert to fraction form
    3,631.32/5,018.22 = 2,931.48/x
  3. Step 3: Cross multiply
    3,631.32x = 5,018.22 × 2,931.48
  4. Step 4: Simplify right side
    3,631.32x = 14,710,811.57
  5. Step 5: Solve for x
    x = 14,710,811.57/3,631.32
  6. Step 6: Final answer
    x = 4,051.09

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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.