Home / 2,975.47-4,113.92-2,606.40

Finding the Fourth Proportional to 2,975.47, 4,113.92 and 2,606.40

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Solution

The fourth proportional to 2,975.47, 4,113.92 and 2,606.40 is: 3,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.47 : 4,113.92 = 2,606.40 : x
  2. Step 2: Convert to fraction form
    2,975.47/4,113.92 = 2,606.40/x
  3. Step 3: Cross multiply
    2,975.47x = 4,113.92 × 2,606.40
  4. Step 4: Simplify right side
    2,975.47x = 10,722,527.60
  5. Step 5: Solve for x
    x = 10,722,527.60/2,975.47
  6. Step 6: Final answer
    x = 3,603.64

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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.