Home / 1,307.58-1,961.73-1,164.30

Finding the Fourth Proportional to 1,307.58, 1,961.73 and 1,164.30

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Solution

The fourth proportional to 1,307.58, 1,961.73 and 1,164.30 is: 1,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307.58 : 1,961.73 = 1,164.30 : x
  2. Step 2: Convert to fraction form
    1,307.58/1,961.73 = 1,164.30/x
  3. Step 3: Cross multiply
    1,307.58x = 1,961.73 × 1,164.30
  4. Step 4: Simplify right side
    1,307.58x = 2,284,042.24
  5. Step 5: Solve for x
    x = 2,284,042.24/1,307.58
  6. Step 6: Final answer
    x = 1,746.77

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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.