Home / 1,672.30-2,307.74-964.14

Finding the Fourth Proportional to 1,672.30, 2,307.74 and 964.14

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Solution

The fourth proportional to 1,672.30, 2,307.74 and 964.14 is: 1,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672.30 : 2,307.74 = 964.14 : x
  2. Step 2: Convert to fraction form
    1,672.30/2,307.74 = 964.14/x
  3. Step 3: Cross multiply
    1,672.30x = 2,307.74 × 964.14
  4. Step 4: Simplify right side
    1,672.30x = 2,224,970.97
  5. Step 5: Solve for x
    x = 2,224,970.97/1,672.30
  6. Step 6: Final answer
    x = 1,330.48

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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.