Home / 1,935.16-2,681.78-1,898.24

Finding the Fourth Proportional to 1,935.16, 2,681.78 and 1,898.24

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Solution

The fourth proportional to 1,935.16, 2,681.78 and 1,898.24 is: 2,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.16 : 2,681.78 = 1,898.24 : x
  2. Step 2: Convert to fraction form
    1,935.16/2,681.78 = 1,898.24/x
  3. Step 3: Cross multiply
    1,935.16x = 2,681.78 × 1,898.24
  4. Step 4: Simplify right side
    1,935.16x = 5,090,639.17
  5. Step 5: Solve for x
    x = 5,090,639.17/1,935.16
  6. Step 6: Final answer
    x = 2,630.61

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.