Home / 1,897.95-2,618.44-1,151.64

Finding the Fourth Proportional to 1,897.95, 2,618.44 and 1,151.64

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Solution

The fourth proportional to 1,897.95, 2,618.44 and 1,151.64 is: 1,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.95 : 2,618.44 = 1,151.64 : x
  2. Step 2: Convert to fraction form
    1,897.95/2,618.44 = 1,151.64/x
  3. Step 3: Cross multiply
    1,897.95x = 2,618.44 × 1,151.64
  4. Step 4: Simplify right side
    1,897.95x = 3,015,500.24
  5. Step 5: Solve for x
    x = 3,015,500.24/1,897.95
  6. Step 6: Final answer
    x = 1,588.82

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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.