Home / 1,897.16-2,616.35-1,234.22

Finding the Fourth Proportional to 1,897.16, 2,616.35 and 1,234.22

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Solution

The fourth proportional to 1,897.16, 2,616.35 and 1,234.22 is: 1,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.16 : 2,616.35 = 1,234.22 : x
  2. Step 2: Convert to fraction form
    1,897.16/2,616.35 = 1,234.22/x
  3. Step 3: Cross multiply
    1,897.16x = 2,616.35 × 1,234.22
  4. Step 4: Simplify right side
    1,897.16x = 3,229,132.24
  5. Step 5: Solve for x
    x = 3,229,132.24/1,897.16
  6. Step 6: Final answer
    x = 1,702.09

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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.