Home / 3,009.55-4,515.09-1,160.17

Finding the Fourth Proportional to 3,009.55, 4,515.09 and 1,160.17

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Solution

The fourth proportional to 3,009.55, 4,515.09 and 1,160.17 is: 1,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.55 : 4,515.09 = 1,160.17 : x
  2. Step 2: Convert to fraction form
    3,009.55/4,515.09 = 1,160.17/x
  3. Step 3: Cross multiply
    3,009.55x = 4,515.09 × 1,160.17
  4. Step 4: Simplify right side
    3,009.55x = 5,238,271.97
  5. Step 5: Solve for x
    x = 5,238,271.97/3,009.55
  6. Step 6: Final answer
    x = 1,740.55

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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.