Home / 2,127.68-2,937.76-1,836.08

Finding the Fourth Proportional to 2,127.68, 2,937.76 and 1,836.08

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Solution

The fourth proportional to 2,127.68, 2,937.76 and 1,836.08 is: 2,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.68 : 2,937.76 = 1,836.08 : x
  2. Step 2: Convert to fraction form
    2,127.68/2,937.76 = 1,836.08/x
  3. Step 3: Cross multiply
    2,127.68x = 2,937.76 × 1,836.08
  4. Step 4: Simplify right side
    2,127.68x = 5,393,962.38
  5. Step 5: Solve for x
    x = 5,393,962.38/2,127.68
  6. Step 6: Final answer
    x = 2,535.14

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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.