Home / 1,935.42-2,900.57-1,011.75

Finding the Fourth Proportional to 1,935.42, 2,900.57 and 1,011.75

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Solution

The fourth proportional to 1,935.42, 2,900.57 and 1,011.75 is: 1,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.42 : 2,900.57 = 1,011.75 : x
  2. Step 2: Convert to fraction form
    1,935.42/2,900.57 = 1,011.75/x
  3. Step 3: Cross multiply
    1,935.42x = 2,900.57 × 1,011.75
  4. Step 4: Simplify right side
    1,935.42x = 2,934,646.64
  5. Step 5: Solve for x
    x = 2,934,646.64/1,935.42
  6. Step 6: Final answer
    x = 1,516.28

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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.