Home / 2,897.90-4,339.13-1,975.28

Finding the Fourth Proportional to 2,897.90, 4,339.13 and 1,975.28

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Solution

The fourth proportional to 2,897.90, 4,339.13 and 1,975.28 is: 2,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.90 : 4,339.13 = 1,975.28 : x
  2. Step 2: Convert to fraction form
    2,897.90/4,339.13 = 1,975.28/x
  3. Step 3: Cross multiply
    2,897.90x = 4,339.13 × 1,975.28
  4. Step 4: Simplify right side
    2,897.90x = 8,570,965.13
  5. Step 5: Solve for x
    x = 8,570,965.13/2,897.90
  6. Step 6: Final answer
    x = 2,957.65

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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.