Home / 1,943.04-2,914.20-1,248.60

Finding the Fourth Proportional to 1,943.04, 2,914.20 and 1,248.60

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Solution

The fourth proportional to 1,943.04, 2,914.20 and 1,248.60 is: 1,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.04 : 2,914.20 = 1,248.60 : x
  2. Step 2: Convert to fraction form
    1,943.04/2,914.20 = 1,248.60/x
  3. Step 3: Cross multiply
    1,943.04x = 2,914.20 × 1,248.60
  4. Step 4: Simplify right side
    1,943.04x = 3,638,670.12
  5. Step 5: Solve for x
    x = 3,638,670.12/1,943.04
  6. Step 6: Final answer
    x = 1,872.67

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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.