Home / 1,485.60-2,233.80-1,453.20

Finding the Fourth Proportional to 1,485.60, 2,233.80 and 1,453.20

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Solution

The fourth proportional to 1,485.60, 2,233.80 and 1,453.20 is: 2,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.60 : 2,233.80 = 1,453.20 : x
  2. Step 2: Convert to fraction form
    1,485.60/2,233.80 = 1,453.20/x
  3. Step 3: Cross multiply
    1,485.60x = 2,233.80 × 1,453.20
  4. Step 4: Simplify right side
    1,485.60x = 3,246,158.16
  5. Step 5: Solve for x
    x = 3,246,158.16/1,485.60
  6. Step 6: Final answer
    x = 2,185.08

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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.