Home / 3,685.56-5,079.63-3,210.48

Finding the Fourth Proportional to 3,685.56, 5,079.63 and 3,210.48

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Solution

The fourth proportional to 3,685.56, 5,079.63 and 3,210.48 is: 4,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.56 : 5,079.63 = 3,210.48 : x
  2. Step 2: Convert to fraction form
    3,685.56/5,079.63 = 3,210.48/x
  3. Step 3: Cross multiply
    3,685.56x = 5,079.63 × 3,210.48
  4. Step 4: Simplify right side
    3,685.56x = 16,308,050.52
  5. Step 5: Solve for x
    x = 16,308,050.52/3,685.56
  6. Step 6: Final answer
    x = 4,424.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.