Home / 1,606.12-2,409.18-1,393.64

Finding the Fourth Proportional to 1,606.12, 2,409.18 and 1,393.64

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Solution

The fourth proportional to 1,606.12, 2,409.18 and 1,393.64 is: 2,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.12 : 2,409.18 = 1,393.64 : x
  2. Step 2: Convert to fraction form
    1,606.12/2,409.18 = 1,393.64/x
  3. Step 3: Cross multiply
    1,606.12x = 2,409.18 × 1,393.64
  4. Step 4: Simplify right side
    1,606.12x = 3,357,529.62
  5. Step 5: Solve for x
    x = 3,357,529.62/1,606.12
  6. Step 6: Final answer
    x = 2,090.46

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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.