Home / 1,459.13-2,188.70-626.07

Finding the Fourth Proportional to 1,459.13, 2,188.70 and 626.07

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Solution

The fourth proportional to 1,459.13, 2,188.70 and 626.07 is: 939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.13 : 2,188.70 = 626.07 : x
  2. Step 2: Convert to fraction form
    1,459.13/2,188.70 = 626.07/x
  3. Step 3: Cross multiply
    1,459.13x = 2,188.70 × 626.07
  4. Step 4: Simplify right side
    1,459.13x = 1,370,276.28
  5. Step 5: Solve for x
    x = 1,370,276.28/1,459.13
  6. Step 6: Final answer
    x = 939.11

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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.