Home / 2,529.65-3,490.40-1,481.51

Finding the Fourth Proportional to 2,529.65, 3,490.40 and 1,481.51

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Solution

The fourth proportional to 2,529.65, 3,490.40 and 1,481.51 is: 2,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.65 : 3,490.40 = 1,481.51 : x
  2. Step 2: Convert to fraction form
    2,529.65/3,490.40 = 1,481.51/x
  3. Step 3: Cross multiply
    2,529.65x = 3,490.40 × 1,481.51
  4. Step 4: Simplify right side
    2,529.65x = 5,171,037.64
  5. Step 5: Solve for x
    x = 5,171,037.64/2,529.65
  6. Step 6: Final answer
    x = 2,044.18

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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.