Home / 1,342.17-1,850.96-1,153.05

Finding the Fourth Proportional to 1,342.17, 1,850.96 and 1,153.05

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Solution

The fourth proportional to 1,342.17, 1,850.96 and 1,153.05 is: 1,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.17 : 1,850.96 = 1,153.05 : x
  2. Step 2: Convert to fraction form
    1,342.17/1,850.96 = 1,153.05/x
  3. Step 3: Cross multiply
    1,342.17x = 1,850.96 × 1,153.05
  4. Step 4: Simplify right side
    1,342.17x = 2,134,245.37
  5. Step 5: Solve for x
    x = 2,134,245.37/1,342.17
  6. Step 6: Final answer
    x = 1,590.15

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1.5x scale

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.