Home / 2,907.06-4,013.70-1,728.52

Finding the Fourth Proportional to 2,907.06, 4,013.70 and 1,728.52

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Solution

The fourth proportional to 2,907.06, 4,013.70 and 1,728.52 is: 2,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.06 : 4,013.70 = 1,728.52 : x
  2. Step 2: Convert to fraction form
    2,907.06/4,013.70 = 1,728.52/x
  3. Step 3: Cross multiply
    2,907.06x = 4,013.70 × 1,728.52
  4. Step 4: Simplify right side
    2,907.06x = 6,937,760.72
  5. Step 5: Solve for x
    x = 6,937,760.72/2,907.06
  6. Step 6: Final answer
    x = 2,386.52

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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.