Home / 2,475.32-3,415.34-1,371.32

Finding the Fourth Proportional to 2,475.32, 3,415.34 and 1,371.32

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Solution

The fourth proportional to 2,475.32, 3,415.34 and 1,371.32 is: 1,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.32 : 3,415.34 = 1,371.32 : x
  2. Step 2: Convert to fraction form
    2,475.32/3,415.34 = 1,371.32/x
  3. Step 3: Cross multiply
    2,475.32x = 3,415.34 × 1,371.32
  4. Step 4: Simplify right side
    2,475.32x = 4,683,524.05
  5. Step 5: Solve for x
    x = 4,683,524.05/2,475.32
  6. Step 6: Final answer
    x = 1,892.09

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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.