Home / 2,875.26-4,329.93-2,680.86

Finding the Fourth Proportional to 2,875.26, 4,329.93 and 2,680.86

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Solution

The fourth proportional to 2,875.26, 4,329.93 and 2,680.86 is: 4,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.26 : 4,329.93 = 2,680.86 : x
  2. Step 2: Convert to fraction form
    2,875.26/4,329.93 = 2,680.86/x
  3. Step 3: Cross multiply
    2,875.26x = 4,329.93 × 2,680.86
  4. Step 4: Simplify right side
    2,875.26x = 11,607,936.14
  5. Step 5: Solve for x
    x = 11,607,936.14/2,875.26
  6. Step 6: Final answer
    x = 4,037.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.