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Finding the Fourth Proportional to 3,014.94, 4,520.47 and 1,259.47

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Solution

The fourth proportional to 3,014.94, 4,520.47 and 1,259.47 is: 1,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.94 : 4,520.47 = 1,259.47 : x
  2. Step 2: Convert to fraction form
    3,014.94/4,520.47 = 1,259.47/x
  3. Step 3: Cross multiply
    3,014.94x = 4,520.47 × 1,259.47
  4. Step 4: Simplify right side
    3,014.94x = 5,693,390.05
  5. Step 5: Solve for x
    x = 5,693,390.05/3,014.94
  6. Step 6: Final answer
    x = 1,888.39

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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.