Home / 2,529.12-3,490.08-1,410.04

Finding the Fourth Proportional to 2,529.12, 3,490.08 and 1,410.04

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Solution

The fourth proportional to 2,529.12, 3,490.08 and 1,410.04 is: 1,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.12 : 3,490.08 = 1,410.04 : x
  2. Step 2: Convert to fraction form
    2,529.12/3,490.08 = 1,410.04/x
  3. Step 3: Cross multiply
    2,529.12x = 3,490.08 × 1,410.04
  4. Step 4: Simplify right side
    2,529.12x = 4,921,152.40
  5. Step 5: Solve for x
    x = 4,921,152.40/2,529.12
  6. Step 6: Final answer
    x = 1,945.80

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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.