Home / 3,690.02-5,533.20-1,224.00

Finding the Fourth Proportional to 3,690.02, 5,533.20 and 1,224.00

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Solution

The fourth proportional to 3,690.02, 5,533.20 and 1,224.00 is: 1,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.02 : 5,533.20 = 1,224.00 : x
  2. Step 2: Convert to fraction form
    3,690.02/5,533.20 = 1,224.00/x
  3. Step 3: Cross multiply
    3,690.02x = 5,533.20 × 1,224.00
  4. Step 4: Simplify right side
    3,690.02x = 6,772,662.14
  5. Step 5: Solve for x
    x = 6,772,662.14/3,690.02
  6. Step 6: Final answer
    x = 1,835.40

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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.