Home / 2,305.52-3,457.77-918.60

Finding the Fourth Proportional to 2,305.52, 3,457.77 and 918.60

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Solution

The fourth proportional to 2,305.52, 3,457.77 and 918.60 is: 1,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.52 : 3,457.77 = 918.60 : x
  2. Step 2: Convert to fraction form
    2,305.52/3,457.77 = 918.60/x
  3. Step 3: Cross multiply
    2,305.52x = 3,457.77 × 918.60
  4. Step 4: Simplify right side
    2,305.52x = 3,176,307.52
  5. Step 5: Solve for x
    x = 3,176,307.52/2,305.52
  6. Step 6: Final answer
    x = 1,377.70

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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.