Home / 1,400.10-1,933.97-1,135.53

Finding the Fourth Proportional to 1,400.10, 1,933.97 and 1,135.53

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Solution

The fourth proportional to 1,400.10, 1,933.97 and 1,135.53 is: 1,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.10 : 1,933.97 = 1,135.53 : x
  2. Step 2: Convert to fraction form
    1,400.10/1,933.97 = 1,135.53/x
  3. Step 3: Cross multiply
    1,400.10x = 1,933.97 × 1,135.53
  4. Step 4: Simplify right side
    1,400.10x = 2,196,075.28
  5. Step 5: Solve for x
    x = 2,196,075.28/1,400.10
  6. Step 6: Final answer
    x = 1,568.51

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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.