Home / 1,551.25-2,325.93-626.05

Finding the Fourth Proportional to 1,551.25, 2,325.93 and 626.05

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Solution

The fourth proportional to 1,551.25, 2,325.93 and 626.05 is: 938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.25 : 2,325.93 = 626.05 : x
  2. Step 2: Convert to fraction form
    1,551.25/2,325.93 = 626.05/x
  3. Step 3: Cross multiply
    1,551.25x = 2,325.93 × 626.05
  4. Step 4: Simplify right side
    1,551.25x = 1,456,148.48
  5. Step 5: Solve for x
    x = 1,456,148.48/1,551.25
  6. Step 6: Final answer
    x = 938.69

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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.