Home / 2,907.35-4,359.20-2,117.00

Finding the Fourth Proportional to 2,907.35, 4,359.20 and 2,117.00

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Solution

The fourth proportional to 2,907.35, 4,359.20 and 2,117.00 is: 3,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.35 : 4,359.20 = 2,117.00 : x
  2. Step 2: Convert to fraction form
    2,907.35/4,359.20 = 2,117.00/x
  3. Step 3: Cross multiply
    2,907.35x = 4,359.20 × 2,117.00
  4. Step 4: Simplify right side
    2,907.35x = 9,228,409.90
  5. Step 5: Solve for x
    x = 9,228,409.90/2,907.35
  6. Step 6: Final answer
    x = 3,174.16

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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.