Home / 2,045.48-2,822.58-1,383.22

Finding the Fourth Proportional to 2,045.48, 2,822.58 and 1,383.22

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Solution

The fourth proportional to 2,045.48, 2,822.58 and 1,383.22 is: 1,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.48 : 2,822.58 = 1,383.22 : x
  2. Step 2: Convert to fraction form
    2,045.48/2,822.58 = 1,383.22/x
  3. Step 3: Cross multiply
    2,045.48x = 2,822.58 × 1,383.22
  4. Step 4: Simplify right side
    2,045.48x = 3,904,249.11
  5. Step 5: Solve for x
    x = 3,904,249.11/2,045.48
  6. Step 6: Final answer
    x = 1,908.72

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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.