Home / 3,148.57-4,718.81-1,300.98

Finding the Fourth Proportional to 3,148.57, 4,718.81 and 1,300.98

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Solution

The fourth proportional to 3,148.57, 4,718.81 and 1,300.98 is: 1,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.57 : 4,718.81 = 1,300.98 : x
  2. Step 2: Convert to fraction form
    3,148.57/4,718.81 = 1,300.98/x
  3. Step 3: Cross multiply
    3,148.57x = 4,718.81 × 1,300.98
  4. Step 4: Simplify right side
    3,148.57x = 6,139,077.43
  5. Step 5: Solve for x
    x = 6,139,077.43/3,148.57
  6. Step 6: Final answer
    x = 1,949.80

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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.