Home / 1,145.59-1,720.44-1,093.65

Finding the Fourth Proportional to 1,145.59, 1,720.44 and 1,093.65

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Solution

The fourth proportional to 1,145.59, 1,720.44 and 1,093.65 is: 1,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145.59 : 1,720.44 = 1,093.65 : x
  2. Step 2: Convert to fraction form
    1,145.59/1,720.44 = 1,093.65/x
  3. Step 3: Cross multiply
    1,145.59x = 1,720.44 × 1,093.65
  4. Step 4: Simplify right side
    1,145.59x = 1,881,562.43
  5. Step 5: Solve for x
    x = 1,881,562.43/1,145.59
  6. Step 6: Final answer
    x = 1,642.44

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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.