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Finding the Fourth Proportional to 1,758.98, 2,427.54 and 973.20

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Solution

The fourth proportional to 1,758.98, 2,427.54 and 973.20 is: 1,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.98 : 2,427.54 = 973.20 : x
  2. Step 2: Convert to fraction form
    1,758.98/2,427.54 = 973.20/x
  3. Step 3: Cross multiply
    1,758.98x = 2,427.54 × 973.20
  4. Step 4: Simplify right side
    1,758.98x = 2,362,481.93
  5. Step 5: Solve for x
    x = 2,362,481.93/1,758.98
  6. Step 6: Final answer
    x = 1,343.10

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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.