Home / 3,018.84-4,530.51-1,557.78

Finding the Fourth Proportional to 3,018.84, 4,530.51 and 1,557.78

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Solution

The fourth proportional to 3,018.84, 4,530.51 and 1,557.78 is: 2,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.84 : 4,530.51 = 1,557.78 : x
  2. Step 2: Convert to fraction form
    3,018.84/4,530.51 = 1,557.78/x
  3. Step 3: Cross multiply
    3,018.84x = 4,530.51 × 1,557.78
  4. Step 4: Simplify right side
    3,018.84x = 7,057,537.87
  5. Step 5: Solve for x
    x = 7,057,537.87/3,018.84
  6. Step 6: Final answer
    x = 2,337.83

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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.