Home / 1,637.94-2,258.86-1,219.35

Finding the Fourth Proportional to 1,637.94, 2,258.86 and 1,219.35

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Solution

The fourth proportional to 1,637.94, 2,258.86 and 1,219.35 is: 1,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.94 : 2,258.86 = 1,219.35 : x
  2. Step 2: Convert to fraction form
    1,637.94/2,258.86 = 1,219.35/x
  3. Step 3: Cross multiply
    1,637.94x = 2,258.86 × 1,219.35
  4. Step 4: Simplify right side
    1,637.94x = 2,754,334.84
  5. Step 5: Solve for x
    x = 2,754,334.84/1,637.94
  6. Step 6: Final answer
    x = 1,681.58

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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.