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Finding the Fourth Proportional to 3,059.13, 4,588.71 and 750.63

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Solution

The fourth proportional to 3,059.13, 4,588.71 and 750.63 is: 1,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.13 : 4,588.71 = 750.63 : x
  2. Step 2: Convert to fraction form
    3,059.13/4,588.71 = 750.63/x
  3. Step 3: Cross multiply
    3,059.13x = 4,588.71 × 750.63
  4. Step 4: Simplify right side
    3,059.13x = 3,444,423.39
  5. Step 5: Solve for x
    x = 3,444,423.39/3,059.13
  6. Step 6: Final answer
    x = 1,125.95

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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.