Home / 1,137.60-1,570.96-1,076.24

Finding the Fourth Proportional to 1,137.60, 1,570.96 and 1,076.24

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Solution

The fourth proportional to 1,137.60, 1,570.96 and 1,076.24 is: 1,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137.60 : 1,570.96 = 1,076.24 : x
  2. Step 2: Convert to fraction form
    1,137.60/1,570.96 = 1,076.24/x
  3. Step 3: Cross multiply
    1,137.60x = 1,570.96 × 1,076.24
  4. Step 4: Simplify right side
    1,137.60x = 1,690,729.99
  5. Step 5: Solve for x
    x = 1,690,729.99/1,137.60
  6. Step 6: Final answer
    x = 1,486.23

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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.