Home / 1,657.28-2,485.62-1,168.82

Finding the Fourth Proportional to 1,657.28, 2,485.62 and 1,168.82

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Solution

The fourth proportional to 1,657.28, 2,485.62 and 1,168.82 is: 1,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.28 : 2,485.62 = 1,168.82 : x
  2. Step 2: Convert to fraction form
    1,657.28/2,485.62 = 1,168.82/x
  3. Step 3: Cross multiply
    1,657.28x = 2,485.62 × 1,168.82
  4. Step 4: Simplify right side
    1,657.28x = 2,905,242.37
  5. Step 5: Solve for x
    x = 2,905,242.37/1,657.28
  6. Step 6: Final answer
    x = 1,753.02

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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.