Home / 2,633.18-3,633.56-1,687.30

Finding the Fourth Proportional to 2,633.18, 3,633.56 and 1,687.30

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Solution

The fourth proportional to 2,633.18, 3,633.56 and 1,687.30 is: 2,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.18 : 3,633.56 = 1,687.30 : x
  2. Step 2: Convert to fraction form
    2,633.18/3,633.56 = 1,687.30/x
  3. Step 3: Cross multiply
    2,633.18x = 3,633.56 × 1,687.30
  4. Step 4: Simplify right side
    2,633.18x = 6,130,905.79
  5. Step 5: Solve for x
    x = 6,130,905.79/2,633.18
  6. Step 6: Final answer
    x = 2,328.33

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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.