Home / 2,434.40-3,358.56-1,648.64

Finding the Fourth Proportional to 2,434.40, 3,358.56 and 1,648.64

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Solution

The fourth proportional to 2,434.40, 3,358.56 and 1,648.64 is: 2,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,434.40 : 3,358.56 = 1,648.64 : x
  2. Step 2: Convert to fraction form
    2,434.40/3,358.56 = 1,648.64/x
  3. Step 3: Cross multiply
    2,434.40x = 3,358.56 × 1,648.64
  4. Step 4: Simplify right side
    2,434.40x = 5,537,056.36
  5. Step 5: Solve for x
    x = 5,537,056.36/2,434.40
  6. Step 6: Final answer
    x = 2,274.51

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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.