Home / 3,628.67-5,440.95-3,319.07

Finding the Fourth Proportional to 3,628.67, 5,440.95 and 3,319.07

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Solution

The fourth proportional to 3,628.67, 5,440.95 and 3,319.07 is: 4,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.67 : 5,440.95 = 3,319.07 : x
  2. Step 2: Convert to fraction form
    3,628.67/5,440.95 = 3,319.07/x
  3. Step 3: Cross multiply
    3,628.67x = 5,440.95 × 3,319.07
  4. Step 4: Simplify right side
    3,628.67x = 18,058,866.71
  5. Step 5: Solve for x
    x = 18,058,866.71/3,628.67
  6. Step 6: Final answer
    x = 4,976.72

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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.