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Finding the Fourth Proportional to 1,897.56, 2,844.90 and 1,575

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Solution

The fourth proportional to 1,897.56, 2,844.90 and 1,575 is: 2,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.56 : 2,844.90 = 1,575 : x
  2. Step 2: Convert to fraction form
    1,897.56/2,844.90 = 1,575/x
  3. Step 3: Cross multiply
    1,897.56x = 2,844.90 × 1,575
  4. Step 4: Simplify right side
    1,897.56x = 4,480,717.50
  5. Step 5: Solve for x
    x = 4,480,717.50/1,897.56
  6. Step 6: Final answer
    x = 2,361.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.