Home / 2,907.30-4,360.62-1,721.46

Finding the Fourth Proportional to 2,907.30, 4,360.62 and 1,721.46

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Solution

The fourth proportional to 2,907.30, 4,360.62 and 1,721.46 is: 2,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.30 : 4,360.62 = 1,721.46 : x
  2. Step 2: Convert to fraction form
    2,907.30/4,360.62 = 1,721.46/x
  3. Step 3: Cross multiply
    2,907.30x = 4,360.62 × 1,721.46
  4. Step 4: Simplify right side
    2,907.30x = 7,506,632.91
  5. Step 5: Solve for x
    x = 7,506,632.91/2,907.30
  6. Step 6: Final answer
    x = 2,581.99

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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.