Home / 2,429.48-3,338.16-1,931.26

Finding the Fourth Proportional to 2,429.48, 3,338.16 and 1,931.26

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Solution

The fourth proportional to 2,429.48, 3,338.16 and 1,931.26 is: 2,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.48 : 3,338.16 = 1,931.26 : x
  2. Step 2: Convert to fraction form
    2,429.48/3,338.16 = 1,931.26/x
  3. Step 3: Cross multiply
    2,429.48x = 3,338.16 × 1,931.26
  4. Step 4: Simplify right side
    2,429.48x = 6,446,846.54
  5. Step 5: Solve for x
    x = 6,446,846.54/2,429.48
  6. Step 6: Final answer
    x = 2,653.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.