Home / 2,127.12-2,935.98-1,230.99

Finding the Fourth Proportional to 2,127.12, 2,935.98 and 1,230.99

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Solution

The fourth proportional to 2,127.12, 2,935.98 and 1,230.99 is: 1,699.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.12 : 2,935.98 = 1,230.99 : x
  2. Step 2: Convert to fraction form
    2,127.12/2,935.98 = 1,230.99/x
  3. Step 3: Cross multiply
    2,127.12x = 2,935.98 × 1,230.99
  4. Step 4: Simplify right side
    2,127.12x = 3,614,162.02
  5. Step 5: Solve for x
    x = 3,614,162.02/2,127.12
  6. Step 6: Final answer
    x = 1,699.09

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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.