Home / 1,374.06-2,057.50-1,154.15

Finding the Fourth Proportional to 1,374.06, 2,057.50 and 1,154.15

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Solution

The fourth proportional to 1,374.06, 2,057.50 and 1,154.15 is: 1,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374.06 : 2,057.50 = 1,154.15 : x
  2. Step 2: Convert to fraction form
    1,374.06/2,057.50 = 1,154.15/x
  3. Step 3: Cross multiply
    1,374.06x = 2,057.50 × 1,154.15
  4. Step 4: Simplify right side
    1,374.06x = 2,374,662.50
  5. Step 5: Solve for x
    x = 2,374,662.50/1,374.06
  6. Step 6: Final answer
    x = 1,728.20

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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.