Home / 2,214.95-3,056.69-1,220.29

Finding the Fourth Proportional to 2,214.95, 3,056.69 and 1,220.29

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Solution

The fourth proportional to 2,214.95, 3,056.69 and 1,220.29 is: 1,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.95 : 3,056.69 = 1,220.29 : x
  2. Step 2: Convert to fraction form
    2,214.95/3,056.69 = 1,220.29/x
  3. Step 3: Cross multiply
    2,214.95x = 3,056.69 × 1,220.29
  4. Step 4: Simplify right side
    2,214.95x = 3,730,043.65
  5. Step 5: Solve for x
    x = 3,730,043.65/2,214.95
  6. Step 6: Final answer
    x = 1,684.03

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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.