Home / 1,166.48-1,752.12-1,127.60

Finding the Fourth Proportional to 1,166.48, 1,752.12 and 1,127.60

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Solution

The fourth proportional to 1,166.48, 1,752.12 and 1,127.60 is: 1,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.48 : 1,752.12 = 1,127.60 : x
  2. Step 2: Convert to fraction form
    1,166.48/1,752.12 = 1,127.60/x
  3. Step 3: Cross multiply
    1,166.48x = 1,752.12 × 1,127.60
  4. Step 4: Simplify right side
    1,166.48x = 1,975,690.51
  5. Step 5: Solve for x
    x = 1,975,690.51/1,166.48
  6. Step 6: Final answer
    x = 1,693.72

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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.