Home / 2,490.68-3,717.91-2,285.24

Finding the Fourth Proportional to 2,490.68, 3,717.91 and 2,285.24

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Solution

The fourth proportional to 2,490.68, 3,717.91 and 2,285.24 is: 3,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490.68 : 3,717.91 = 2,285.24 : x
  2. Step 2: Convert to fraction form
    2,490.68/3,717.91 = 2,285.24/x
  3. Step 3: Cross multiply
    2,490.68x = 3,717.91 × 2,285.24
  4. Step 4: Simplify right side
    2,490.68x = 8,496,316.65
  5. Step 5: Solve for x
    x = 8,496,316.65/2,490.68
  6. Step 6: Final answer
    x = 3,411.24

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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.