Home / 3,014.70-4,518.87-1,039.71

Finding the Fourth Proportional to 3,014.70, 4,518.87 and 1,039.71

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Solution

The fourth proportional to 3,014.70, 4,518.87 and 1,039.71 is: 1,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.70 : 4,518.87 = 1,039.71 : x
  2. Step 2: Convert to fraction form
    3,014.70/4,518.87 = 1,039.71/x
  3. Step 3: Cross multiply
    3,014.70x = 4,518.87 × 1,039.71
  4. Step 4: Simplify right side
    3,014.70x = 4,698,314.33
  5. Step 5: Solve for x
    x = 4,698,314.33/3,014.70
  6. Step 6: Final answer
    x = 1,558.47

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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.