Home / 2,905.65-4,357.10-1,055.48

Finding the Fourth Proportional to 2,905.65, 4,357.10 and 1,055.48

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Solution

The fourth proportional to 2,905.65, 4,357.10 and 1,055.48 is: 1,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.65 : 4,357.10 = 1,055.48 : x
  2. Step 2: Convert to fraction form
    2,905.65/4,357.10 = 1,055.48/x
  3. Step 3: Cross multiply
    2,905.65x = 4,357.10 × 1,055.48
  4. Step 4: Simplify right side
    2,905.65x = 4,598,804.85
  5. Step 5: Solve for x
    x = 4,598,804.85/2,905.65
  6. Step 6: Final answer
    x = 1,582.71

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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.