Home / 2,127.90-2,937.96-1,629.66

Finding the Fourth Proportional to 2,127.90, 2,937.96 and 1,629.66

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Solution

The fourth proportional to 2,127.90, 2,937.96 and 1,629.66 is: 2,250.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.90 : 2,937.96 = 1,629.66 : x
  2. Step 2: Convert to fraction form
    2,127.90/2,937.96 = 1,629.66/x
  3. Step 3: Cross multiply
    2,127.90x = 2,937.96 × 1,629.66
  4. Step 4: Simplify right side
    2,127.90x = 4,787,875.89
  5. Step 5: Solve for x
    x = 4,787,875.89/2,127.90
  6. Step 6: Final answer
    x = 2,250.05

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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.