Home / 2,018.70-3,029.85-1,045.47

Finding the Fourth Proportional to 2,018.70, 3,029.85 and 1,045.47

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Solution

The fourth proportional to 2,018.70, 3,029.85 and 1,045.47 is: 1,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.70 : 3,029.85 = 1,045.47 : x
  2. Step 2: Convert to fraction form
    2,018.70/3,029.85 = 1,045.47/x
  3. Step 3: Cross multiply
    2,018.70x = 3,029.85 × 1,045.47
  4. Step 4: Simplify right side
    2,018.70x = 3,167,617.28
  5. Step 5: Solve for x
    x = 3,167,617.28/2,018.70
  6. Step 6: Final answer
    x = 1,569.14

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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.