Home / 1,739.27-2,612.99-1,124.21

Finding the Fourth Proportional to 1,739.27, 2,612.99 and 1,124.21

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Solution

The fourth proportional to 1,739.27, 2,612.99 and 1,124.21 is: 1,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.27 : 2,612.99 = 1,124.21 : x
  2. Step 2: Convert to fraction form
    1,739.27/2,612.99 = 1,124.21/x
  3. Step 3: Cross multiply
    1,739.27x = 2,612.99 × 1,124.21
  4. Step 4: Simplify right side
    1,739.27x = 2,937,558.83
  5. Step 5: Solve for x
    x = 2,937,558.83/1,739.27
  6. Step 6: Final answer
    x = 1,688.96

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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.