Home / 1,731.61-2,388.85-1,068.22

Finding the Fourth Proportional to 1,731.61, 2,388.85 and 1,068.22

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Solution

The fourth proportional to 1,731.61, 2,388.85 and 1,068.22 is: 1,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.61 : 2,388.85 = 1,068.22 : x
  2. Step 2: Convert to fraction form
    1,731.61/2,388.85 = 1,068.22/x
  3. Step 3: Cross multiply
    1,731.61x = 2,388.85 × 1,068.22
  4. Step 4: Simplify right side
    1,731.61x = 2,551,817.35
  5. Step 5: Solve for x
    x = 2,551,817.35/1,731.61
  6. Step 6: Final answer
    x = 1,473.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.