Home / 2,318.41-3,200.07-1,574.56

Finding the Fourth Proportional to 2,318.41, 3,200.07 and 1,574.56

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Solution

The fourth proportional to 2,318.41, 3,200.07 and 1,574.56 is: 2,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.41 : 3,200.07 = 1,574.56 : x
  2. Step 2: Convert to fraction form
    2,318.41/3,200.07 = 1,574.56/x
  3. Step 3: Cross multiply
    2,318.41x = 3,200.07 × 1,574.56
  4. Step 4: Simplify right side
    2,318.41x = 5,038,702.22
  5. Step 5: Solve for x
    x = 5,038,702.22/2,318.41
  6. Step 6: Final answer
    x = 2,173.34

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1.5x scale

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.