Home / 2,298.48-3,448.80-1,129.92

Finding the Fourth Proportional to 2,298.48, 3,448.80 and 1,129.92

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Solution

The fourth proportional to 2,298.48, 3,448.80 and 1,129.92 is: 1,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.48 : 3,448.80 = 1,129.92 : x
  2. Step 2: Convert to fraction form
    2,298.48/3,448.80 = 1,129.92/x
  3. Step 3: Cross multiply
    2,298.48x = 3,448.80 × 1,129.92
  4. Step 4: Simplify right side
    2,298.48x = 3,896,868.10
  5. Step 5: Solve for x
    x = 3,896,868.10/2,298.48
  6. Step 6: Final answer
    x = 1,695.41

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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.