Home / 1,156.50-1,727.36-1,046.64

Finding the Fourth Proportional to 1,156.50, 1,727.36 and 1,046.64

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Solution

The fourth proportional to 1,156.50, 1,727.36 and 1,046.64 is: 1,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.50 : 1,727.36 = 1,046.64 : x
  2. Step 2: Convert to fraction form
    1,156.50/1,727.36 = 1,046.64/x
  3. Step 3: Cross multiply
    1,156.50x = 1,727.36 × 1,046.64
  4. Step 4: Simplify right side
    1,156.50x = 1,807,926.69
  5. Step 5: Solve for x
    x = 1,807,926.69/1,156.50
  6. Step 6: Final answer
    x = 1,563.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.