Home / 1,459.09-2,188.61-363.46

Finding the Fourth Proportional to 1,459.09, 2,188.61 and 363.46

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Solution

The fourth proportional to 1,459.09, 2,188.61 and 363.46 is: 545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.09 : 2,188.61 = 363.46 : x
  2. Step 2: Convert to fraction form
    1,459.09/2,188.61 = 363.46/x
  3. Step 3: Cross multiply
    1,459.09x = 2,188.61 × 363.46
  4. Step 4: Simplify right side
    1,459.09x = 795,472.19
  5. Step 5: Solve for x
    x = 795,472.19/1,459.09
  6. Step 6: Final answer
    x = 545.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.