Home / 1,637.90-2,258.57-1,264.94

Finding the Fourth Proportional to 1,637.90, 2,258.57 and 1,264.94

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Solution

The fourth proportional to 1,637.90, 2,258.57 and 1,264.94 is: 1,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.90 : 2,258.57 = 1,264.94 : x
  2. Step 2: Convert to fraction form
    1,637.90/2,258.57 = 1,264.94/x
  3. Step 3: Cross multiply
    1,637.90x = 2,258.57 × 1,264.94
  4. Step 4: Simplify right side
    1,637.90x = 2,856,955.54
  5. Step 5: Solve for x
    x = 2,856,955.54/1,637.90
  6. Step 6: Final answer
    x = 1,744.28

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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.