Home / 1,773.21-2,448.58-1,111.20

Finding the Fourth Proportional to 1,773.21, 2,448.58 and 1,111.20

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Solution

The fourth proportional to 1,773.21, 2,448.58 and 1,111.20 is: 1,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.21 : 2,448.58 = 1,111.20 : x
  2. Step 2: Convert to fraction form
    1,773.21/2,448.58 = 1,111.20/x
  3. Step 3: Cross multiply
    1,773.21x = 2,448.58 × 1,111.20
  4. Step 4: Simplify right side
    1,773.21x = 2,720,859.32
  5. Step 5: Solve for x
    x = 2,720,859.32/1,773.21
  6. Step 6: Final answer
    x = 1,534.43

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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.