Home / 1,633.31-2,253.67-1,135.77

Finding the Fourth Proportional to 1,633.31, 2,253.67 and 1,135.77

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Solution

The fourth proportional to 1,633.31, 2,253.67 and 1,135.77 is: 1,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.31 : 2,253.67 = 1,135.77 : x
  2. Step 2: Convert to fraction form
    1,633.31/2,253.67 = 1,135.77/x
  3. Step 3: Cross multiply
    1,633.31x = 2,253.67 × 1,135.77
  4. Step 4: Simplify right side
    1,633.31x = 2,559,658.55
  5. Step 5: Solve for x
    x = 2,559,658.55/1,633.31
  6. Step 6: Final answer
    x = 1,567.16

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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.