Home / 1,771.32-2,656.42-1,158.28

Finding the Fourth Proportional to 1,771.32, 2,656.42 and 1,158.28

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Solution

The fourth proportional to 1,771.32, 2,656.42 and 1,158.28 is: 1,737.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.32 : 2,656.42 = 1,158.28 : x
  2. Step 2: Convert to fraction form
    1,771.32/2,656.42 = 1,158.28/x
  3. Step 3: Cross multiply
    1,771.32x = 2,656.42 × 1,158.28
  4. Step 4: Simplify right side
    1,771.32x = 3,076,878.16
  5. Step 5: Solve for x
    x = 3,076,878.16/1,771.32
  6. Step 6: Final answer
    x = 1,737.05

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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.