Home / 2,543.36-3,487.42-2,293.68

Finding the Fourth Proportional to 2,543.36, 3,487.42 and 2,293.68

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Solution

The fourth proportional to 2,543.36, 3,487.42 and 2,293.68 is: 3,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.36 : 3,487.42 = 2,293.68 : x
  2. Step 2: Convert to fraction form
    2,543.36/3,487.42 = 2,293.68/x
  3. Step 3: Cross multiply
    2,543.36x = 3,487.42 × 2,293.68
  4. Step 4: Simplify right side
    2,543.36x = 7,999,025.51
  5. Step 5: Solve for x
    x = 7,999,025.51/2,543.36
  6. Step 6: Final answer
    x = 3,145.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.