Home / 2,907.31-4,360.19-1,263.47

Finding the Fourth Proportional to 2,907.31, 4,360.19 and 1,263.47

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Solution

The fourth proportional to 2,907.31, 4,360.19 and 1,263.47 is: 1,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.31 : 4,360.19 = 1,263.47 : x
  2. Step 2: Convert to fraction form
    2,907.31/4,360.19 = 1,263.47/x
  3. Step 3: Cross multiply
    2,907.31x = 4,360.19 × 1,263.47
  4. Step 4: Simplify right side
    2,907.31x = 5,508,941.14
  5. Step 5: Solve for x
    x = 5,508,941.14/2,907.31
  6. Step 6: Final answer
    x = 1,894.86

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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.