Home / 2,429.49-3,644.24-1,130.25

Finding the Fourth Proportional to 2,429.49, 3,644.24 and 1,130.25

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Solution

The fourth proportional to 2,429.49, 3,644.24 and 1,130.25 is: 1,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.49 : 3,644.24 = 1,130.25 : x
  2. Step 2: Convert to fraction form
    2,429.49/3,644.24 = 1,130.25/x
  3. Step 3: Cross multiply
    2,429.49x = 3,644.24 × 1,130.25
  4. Step 4: Simplify right side
    2,429.49x = 4,118,896.61
  5. Step 5: Solve for x
    x = 4,118,896.61/2,429.49
  6. Step 6: Final answer
    x = 1,695.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.