Home / 3,113.61-4,664.16-1,548.87

Finding the Fourth Proportional to 3,113.61, 4,664.16 and 1,548.87

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Solution

The fourth proportional to 3,113.61, 4,664.16 and 1,548.87 is: 2,320.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.61 : 4,664.16 = 1,548.87 : x
  2. Step 2: Convert to fraction form
    3,113.61/4,664.16 = 1,548.87/x
  3. Step 3: Cross multiply
    3,113.61x = 4,664.16 × 1,548.87
  4. Step 4: Simplify right side
    3,113.61x = 7,224,181.89
  5. Step 5: Solve for x
    x = 7,224,181.89/3,113.61
  6. Step 6: Final answer
    x = 2,320.19

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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.