Home / 3,260.91-4,890.15-1,039.53

Finding the Fourth Proportional to 3,260.91, 4,890.15 and 1,039.53

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Solution

The fourth proportional to 3,260.91, 4,890.15 and 1,039.53 is: 1,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.91 : 4,890.15 = 1,039.53 : x
  2. Step 2: Convert to fraction form
    3,260.91/4,890.15 = 1,039.53/x
  3. Step 3: Cross multiply
    3,260.91x = 4,890.15 × 1,039.53
  4. Step 4: Simplify right side
    3,260.91x = 5,083,457.63
  5. Step 5: Solve for x
    x = 5,083,457.63/3,260.91
  6. Step 6: Final answer
    x = 1,558.91

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1.5x scale

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.