Home / 3,113.47-4,670.10-1,264.54

Finding the Fourth Proportional to 3,113.47, 4,670.10 and 1,264.54

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Solution

The fourth proportional to 3,113.47, 4,670.10 and 1,264.54 is: 1,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.47 : 4,670.10 = 1,264.54 : x
  2. Step 2: Convert to fraction form
    3,113.47/4,670.10 = 1,264.54/x
  3. Step 3: Cross multiply
    3,113.47x = 4,670.10 × 1,264.54
  4. Step 4: Simplify right side
    3,113.47x = 5,905,528.25
  5. Step 5: Solve for x
    x = 5,905,528.25/3,113.47
  6. Step 6: Final answer
    x = 1,896.77

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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.