Home / 1,670.53-2,501.12-1,299.96

Finding the Fourth Proportional to 1,670.53, 2,501.12 and 1,299.96

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Solution

The fourth proportional to 1,670.53, 2,501.12 and 1,299.96 is: 1,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.53 : 2,501.12 = 1,299.96 : x
  2. Step 2: Convert to fraction form
    1,670.53/2,501.12 = 1,299.96/x
  3. Step 3: Cross multiply
    1,670.53x = 2,501.12 × 1,299.96
  4. Step 4: Simplify right side
    1,670.53x = 3,251,355.96
  5. Step 5: Solve for x
    x = 3,251,355.96/1,670.53
  6. Step 6: Final answer
    x = 1,946.30

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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.