Home / 2,529.14-3,490.08-1,395.00

Finding the Fourth Proportional to 2,529.14, 3,490.08 and 1,395.00

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Solution

The fourth proportional to 2,529.14, 3,490.08 and 1,395.00 is: 1,925.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.14 : 3,490.08 = 1,395.00 : x
  2. Step 2: Convert to fraction form
    2,529.14/3,490.08 = 1,395.00/x
  3. Step 3: Cross multiply
    2,529.14x = 3,490.08 × 1,395.00
  4. Step 4: Simplify right side
    2,529.14x = 4,868,644.15
  5. Step 5: Solve for x
    x = 4,868,644.15/2,529.14
  6. Step 6: Final answer
    x = 1,925.02

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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.