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Finding the Fourth Proportional to 1,672.00, 2,307.53 and 925.99

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Solution

The fourth proportional to 1,672.00, 2,307.53 and 925.99 is: 1,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.00 : 2,307.53 = 925.99 : x
  2. Step 2: Convert to fraction form
    1,672.00/2,307.53 = 925.99/x
  3. Step 3: Cross multiply
    1,672.00x = 2,307.53 × 925.99
  4. Step 4: Simplify right side
    1,672.00x = 2,136,750.84
  5. Step 5: Solve for x
    x = 2,136,750.84/1,672.00
  6. Step 6: Final answer
    x = 1,277.96

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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.