Home / 1,435.58-2,153.76-1,144.18

Finding the Fourth Proportional to 1,435.58, 2,153.76 and 1,144.18

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Solution

The fourth proportional to 1,435.58, 2,153.76 and 1,144.18 is: 1,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.58 : 2,153.76 = 1,144.18 : x
  2. Step 2: Convert to fraction form
    1,435.58/2,153.76 = 1,144.18/x
  3. Step 3: Cross multiply
    1,435.58x = 2,153.76 × 1,144.18
  4. Step 4: Simplify right side
    1,435.58x = 2,464,289.12
  5. Step 5: Solve for x
    x = 2,464,289.12/1,435.58
  6. Step 6: Final answer
    x = 1,716.58

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1.5x scale

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.