Home / 1,455.84-2,007.46-1,267.65

Finding the Fourth Proportional to 1,455.84, 2,007.46 and 1,267.65

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Solution

The fourth proportional to 1,455.84, 2,007.46 and 1,267.65 is: 1,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.84 : 2,007.46 = 1,267.65 : x
  2. Step 2: Convert to fraction form
    1,455.84/2,007.46 = 1,267.65/x
  3. Step 3: Cross multiply
    1,455.84x = 2,007.46 × 1,267.65
  4. Step 4: Simplify right side
    1,455.84x = 2,544,756.67
  5. Step 5: Solve for x
    x = 2,544,756.67/1,455.84
  6. Step 6: Final answer
    x = 1,747.96

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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.