Home / 3,039.71-4,558.23-1,285.49

Finding the Fourth Proportional to 3,039.71, 4,558.23 and 1,285.49

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Solution

The fourth proportional to 3,039.71, 4,558.23 and 1,285.49 is: 1,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.71 : 4,558.23 = 1,285.49 : x
  2. Step 2: Convert to fraction form
    3,039.71/4,558.23 = 1,285.49/x
  3. Step 3: Cross multiply
    3,039.71x = 4,558.23 × 1,285.49
  4. Step 4: Simplify right side
    3,039.71x = 5,859,536.29
  5. Step 5: Solve for x
    x = 5,859,536.29/3,039.71
  6. Step 6: Final answer
    x = 1,927.67

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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.