Home / 1,657.98-2,285.58-1,185.03

Finding the Fourth Proportional to 1,657.98, 2,285.58 and 1,185.03

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Solution

The fourth proportional to 1,657.98, 2,285.58 and 1,185.03 is: 1,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.98 : 2,285.58 = 1,185.03 : x
  2. Step 2: Convert to fraction form
    1,657.98/2,285.58 = 1,185.03/x
  3. Step 3: Cross multiply
    1,657.98x = 2,285.58 × 1,185.03
  4. Step 4: Simplify right side
    1,657.98x = 2,708,480.87
  5. Step 5: Solve for x
    x = 2,708,480.87/1,657.98
  6. Step 6: Final answer
    x = 1,633.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.