Home / 2,392.88-3,302.24-1,345.28

Finding the Fourth Proportional to 2,392.88, 3,302.24 and 1,345.28

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Solution

The fourth proportional to 2,392.88, 3,302.24 and 1,345.28 is: 1,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.88 : 3,302.24 = 1,345.28 : x
  2. Step 2: Convert to fraction form
    2,392.88/3,302.24 = 1,345.28/x
  3. Step 3: Cross multiply
    2,392.88x = 3,302.24 × 1,345.28
  4. Step 4: Simplify right side
    2,392.88x = 4,442,414.19
  5. Step 5: Solve for x
    x = 4,442,414.19/2,392.88
  6. Step 6: Final answer
    x = 1,856.52

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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.