Home / 3,260.34-4,890.51-1,153.53

Finding the Fourth Proportional to 3,260.34, 4,890.51 and 1,153.53

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Solution

The fourth proportional to 3,260.34, 4,890.51 and 1,153.53 is: 1,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.34 : 4,890.51 = 1,153.53 : x
  2. Step 2: Convert to fraction form
    3,260.34/4,890.51 = 1,153.53/x
  3. Step 3: Cross multiply
    3,260.34x = 4,890.51 × 1,153.53
  4. Step 4: Simplify right side
    3,260.34x = 5,641,350.00
  5. Step 5: Solve for x
    x = 5,641,350.00/3,260.34
  6. Step 6: Final answer
    x = 1,730.30

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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.