Home / 1,925.19-2,887.72-626.63

Finding the Fourth Proportional to 1,925.19, 2,887.72 and 626.63

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Solution

The fourth proportional to 1,925.19, 2,887.72 and 626.63 is: 939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.19 : 2,887.72 = 626.63 : x
  2. Step 2: Convert to fraction form
    1,925.19/2,887.72 = 626.63/x
  3. Step 3: Cross multiply
    1,925.19x = 2,887.72 × 626.63
  4. Step 4: Simplify right side
    1,925.19x = 1,809,515.98
  5. Step 5: Solve for x
    x = 1,809,515.98/1,925.19
  6. Step 6: Final answer
    x = 939.92

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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.