Home / 1,606.85-2,405.41-1,485.35

Finding the Fourth Proportional to 1,606.85, 2,405.41 and 1,485.35

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Solution

The fourth proportional to 1,606.85, 2,405.41 and 1,485.35 is: 2,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.85 : 2,405.41 = 1,485.35 : x
  2. Step 2: Convert to fraction form
    1,606.85/2,405.41 = 1,485.35/x
  3. Step 3: Cross multiply
    1,606.85x = 2,405.41 × 1,485.35
  4. Step 4: Simplify right side
    1,606.85x = 3,572,860.00
  5. Step 5: Solve for x
    x = 3,572,860.00/1,606.85
  6. Step 6: Final answer
    x = 2,223.52

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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.