Home / 1,935.36-2,908.40-1,888.47

Finding the Fourth Proportional to 1,935.36, 2,908.40 and 1,888.47

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Solution

The fourth proportional to 1,935.36, 2,908.40 and 1,888.47 is: 2,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.36 : 2,908.40 = 1,888.47 : x
  2. Step 2: Convert to fraction form
    1,935.36/2,908.40 = 1,888.47/x
  3. Step 3: Cross multiply
    1,935.36x = 2,908.40 × 1,888.47
  4. Step 4: Simplify right side
    1,935.36x = 5,492,426.15
  5. Step 5: Solve for x
    x = 5,492,426.15/1,935.36
  6. Step 6: Final answer
    x = 2,837.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.