Home / 3,018.12-4,526.64-1,374.30

Finding the Fourth Proportional to 3,018.12, 4,526.64 and 1,374.30

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Solution

The fourth proportional to 3,018.12, 4,526.64 and 1,374.30 is: 2,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.12 : 4,526.64 = 1,374.30 : x
  2. Step 2: Convert to fraction form
    3,018.12/4,526.64 = 1,374.30/x
  3. Step 3: Cross multiply
    3,018.12x = 4,526.64 × 1,374.30
  4. Step 4: Simplify right side
    3,018.12x = 6,220,961.35
  5. Step 5: Solve for x
    x = 6,220,961.35/3,018.12
  6. Step 6: Final answer
    x = 2,061.20

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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.