Home / 2,491.85-3,439.06-1,497.65

Finding the Fourth Proportional to 2,491.85, 3,439.06 and 1,497.65

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Solution

The fourth proportional to 2,491.85, 3,439.06 and 1,497.65 is: 2,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.85 : 3,439.06 = 1,497.65 : x
  2. Step 2: Convert to fraction form
    2,491.85/3,439.06 = 1,497.65/x
  3. Step 3: Cross multiply
    2,491.85x = 3,439.06 × 1,497.65
  4. Step 4: Simplify right side
    2,491.85x = 5,150,487.27
  5. Step 5: Solve for x
    x = 5,150,487.27/2,491.85
  6. Step 6: Final answer
    x = 2,066.93

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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.