Home / 2,529.06-3,490.09-1,409.84

Finding the Fourth Proportional to 2,529.06, 3,490.09 and 1,409.84

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Solution

The fourth proportional to 2,529.06, 3,490.09 and 1,409.84 is: 1,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.06 : 3,490.09 = 1,409.84 : x
  2. Step 2: Convert to fraction form
    2,529.06/3,490.09 = 1,409.84/x
  3. Step 3: Cross multiply
    2,529.06x = 3,490.09 × 1,409.84
  4. Step 4: Simplify right side
    2,529.06x = 4,920,460.60
  5. Step 5: Solve for x
    x = 4,920,460.60/2,529.06
  6. Step 6: Final answer
    x = 1,945.57

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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.