Home / 2,529.30-3,490.38-1,410.24

Finding the Fourth Proportional to 2,529.30, 3,490.38 and 1,410.24

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Solution

The fourth proportional to 2,529.30, 3,490.38 and 1,410.24 is: 1,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.30 : 3,490.38 = 1,410.24 : x
  2. Step 2: Convert to fraction form
    2,529.30/3,490.38 = 1,410.24/x
  3. Step 3: Cross multiply
    2,529.30x = 3,490.38 × 1,410.24
  4. Step 4: Simplify right side
    2,529.30x = 4,922,273.49
  5. Step 5: Solve for x
    x = 4,922,273.49/2,529.30
  6. Step 6: Final answer
    x = 1,946.10

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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.