Home / 3,260.10-4,889.90-1,038.84

Finding the Fourth Proportional to 3,260.10, 4,889.90 and 1,038.84

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Solution

The fourth proportional to 3,260.10, 4,889.90 and 1,038.84 is: 1,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.10 : 4,889.90 = 1,038.84 : x
  2. Step 2: Convert to fraction form
    3,260.10/4,889.90 = 1,038.84/x
  3. Step 3: Cross multiply
    3,260.10x = 4,889.90 × 1,038.84
  4. Step 4: Simplify right side
    3,260.10x = 5,079,823.72
  5. Step 5: Solve for x
    x = 5,079,823.72/3,260.10
  6. Step 6: Final answer
    x = 1,558.18

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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.