Home / 1,529.24-2,110.18-900

Finding the Fourth Proportional to 1,529.24, 2,110.18 and 900

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Solution

The fourth proportional to 1,529.24, 2,110.18 and 900 is: 1,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.24 : 2,110.18 = 900 : x
  2. Step 2: Convert to fraction form
    1,529.24/2,110.18 = 900/x
  3. Step 3: Cross multiply
    1,529.24x = 2,110.18 × 900
  4. Step 4: Simplify right side
    1,529.24x = 1,899,162.00
  5. Step 5: Solve for x
    x = 1,899,162.00/1,529.24
  6. Step 6: Final answer
    x = 1,241.90

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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.