Home / 3,688.02-5,529.90-1,222.18

Finding the Fourth Proportional to 3,688.02, 5,529.90 and 1,222.18

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Solution

The fourth proportional to 3,688.02, 5,529.90 and 1,222.18 is: 1,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.02 : 5,529.90 = 1,222.18 : x
  2. Step 2: Convert to fraction form
    3,688.02/5,529.90 = 1,222.18/x
  3. Step 3: Cross multiply
    3,688.02x = 5,529.90 × 1,222.18
  4. Step 4: Simplify right side
    3,688.02x = 6,758,533.18
  5. Step 5: Solve for x
    x = 6,758,533.18/3,688.02
  6. Step 6: Final answer
    x = 1,832.56

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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.