Home / 2,529.20-3,490.45-1,410.14

Finding the Fourth Proportional to 2,529.20, 3,490.45 and 1,410.14

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Solution

The fourth proportional to 2,529.20, 3,490.45 and 1,410.14 is: 1,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.20 : 3,490.45 = 1,410.14 : x
  2. Step 2: Convert to fraction form
    2,529.20/3,490.45 = 1,410.14/x
  3. Step 3: Cross multiply
    2,529.20x = 3,490.45 × 1,410.14
  4. Step 4: Simplify right side
    2,529.20x = 4,922,014.02
  5. Step 5: Solve for x
    x = 4,922,014.02/2,529.20
  6. Step 6: Final answer
    x = 1,946.07

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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.