Home / 2,529.21-3,490.11-1,410.06

Finding the Fourth Proportional to 2,529.21, 3,490.11 and 1,410.06

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Solution

The fourth proportional to 2,529.21, 3,490.11 and 1,410.06 is: 1,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.21 : 3,490.11 = 1,410.06 : x
  2. Step 2: Convert to fraction form
    2,529.21/3,490.11 = 1,410.06/x
  3. Step 3: Cross multiply
    2,529.21x = 3,490.11 × 1,410.06
  4. Step 4: Simplify right side
    2,529.21x = 4,921,264.51
  5. Step 5: Solve for x
    x = 4,921,264.51/2,529.21
  6. Step 6: Final answer
    x = 1,945.77

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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.