Home / 1,543.12-2,317.08-1,370.32

Finding the Fourth Proportional to 1,543.12, 2,317.08 and 1,370.32

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Solution

The fourth proportional to 1,543.12, 2,317.08 and 1,370.32 is: 2,057.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543.12 : 2,317.08 = 1,370.32 : x
  2. Step 2: Convert to fraction form
    1,543.12/2,317.08 = 1,370.32/x
  3. Step 3: Cross multiply
    1,543.12x = 2,317.08 × 1,370.32
  4. Step 4: Simplify right side
    1,543.12x = 3,175,141.07
  5. Step 5: Solve for x
    x = 3,175,141.07/1,543.12
  6. Step 6: Final answer
    x = 2,057.61

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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.