Home / 2,914.51-4,022.02-1,588.21

Finding the Fourth Proportional to 2,914.51, 4,022.02 and 1,588.21

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Solution

The fourth proportional to 2,914.51, 4,022.02 and 1,588.21 is: 2,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.51 : 4,022.02 = 1,588.21 : x
  2. Step 2: Convert to fraction form
    2,914.51/4,022.02 = 1,588.21/x
  3. Step 3: Cross multiply
    2,914.51x = 4,022.02 × 1,588.21
  4. Step 4: Simplify right side
    2,914.51x = 6,387,812.38
  5. Step 5: Solve for x
    x = 6,387,812.38/2,914.51
  6. Step 6: Final answer
    x = 2,191.73

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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.