Home / 1,607.42-2,217.57-1,274.51

Finding the Fourth Proportional to 1,607.42, 2,217.57 and 1,274.51

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Solution

The fourth proportional to 1,607.42, 2,217.57 and 1,274.51 is: 1,758.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.42 : 2,217.57 = 1,274.51 : x
  2. Step 2: Convert to fraction form
    1,607.42/2,217.57 = 1,274.51/x
  3. Step 3: Cross multiply
    1,607.42x = 2,217.57 × 1,274.51
  4. Step 4: Simplify right side
    1,607.42x = 2,826,304.05
  5. Step 5: Solve for x
    x = 2,826,304.05/1,607.42
  6. Step 6: Final answer
    x = 1,758.29

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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.