Home / 1,617.32-2,232.63-1,057.82

Finding the Fourth Proportional to 1,617.32, 2,232.63 and 1,057.82

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Solution

The fourth proportional to 1,617.32, 2,232.63 and 1,057.82 is: 1,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.32 : 2,232.63 = 1,057.82 : x
  2. Step 2: Convert to fraction form
    1,617.32/2,232.63 = 1,057.82/x
  3. Step 3: Cross multiply
    1,617.32x = 2,232.63 × 1,057.82
  4. Step 4: Simplify right side
    1,617.32x = 2,361,709.50
  5. Step 5: Solve for x
    x = 2,361,709.50/1,617.32
  6. Step 6: Final answer
    x = 1,460.27

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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.