Home / 2,424.56-3,345-1,637.36

Finding the Fourth Proportional to 2,424.56, 3,345 and 1,637.36

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Solution

The fourth proportional to 2,424.56, 3,345 and 1,637.36 is: 2,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.56 : 3,345 = 1,637.36 : x
  2. Step 2: Convert to fraction form
    2,424.56/3,345 = 1,637.36/x
  3. Step 3: Cross multiply
    2,424.56x = 3,345 × 1,637.36
  4. Step 4: Simplify right side
    2,424.56x = 5,476,969.20
  5. Step 5: Solve for x
    x = 5,476,969.20/2,424.56
  6. Step 6: Final answer
    x = 2,258.95

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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.