Home / 2,491.18-3,718.66-2,285.74

Finding the Fourth Proportional to 2,491.18, 3,718.66 and 2,285.74

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Solution

The fourth proportional to 2,491.18, 3,718.66 and 2,285.74 is: 3,411.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.18 : 3,718.66 = 2,285.74 : x
  2. Step 2: Convert to fraction form
    2,491.18/3,718.66 = 2,285.74/x
  3. Step 3: Cross multiply
    2,491.18x = 3,718.66 × 2,285.74
  4. Step 4: Simplify right side
    2,491.18x = 8,499,889.91
  5. Step 5: Solve for x
    x = 8,499,889.91/2,491.18
  6. Step 6: Final answer
    x = 3,411.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.