Home / 3,587.68-4,948.86-2,188

Finding the Fourth Proportional to 3,587.68, 4,948.86 and 2,188

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Solution

The fourth proportional to 3,587.68, 4,948.86 and 2,188 is: 3,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.68 : 4,948.86 = 2,188 : x
  2. Step 2: Convert to fraction form
    3,587.68/4,948.86 = 2,188/x
  3. Step 3: Cross multiply
    3,587.68x = 4,948.86 × 2,188
  4. Step 4: Simplify right side
    3,587.68x = 10,828,105.68
  5. Step 5: Solve for x
    x = 10,828,105.68/3,587.68
  6. Step 6: Final answer
    x = 3,018.14

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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.