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Finding the Fourth Proportional to 2,373.57, 3,275.48 and 1,379.40

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Solution

The fourth proportional to 2,373.57, 3,275.48 and 1,379.40 is: 1,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.57 : 3,275.48 = 1,379.40 : x
  2. Step 2: Convert to fraction form
    2,373.57/3,275.48 = 1,379.40/x
  3. Step 3: Cross multiply
    2,373.57x = 3,275.48 × 1,379.40
  4. Step 4: Simplify right side
    2,373.57x = 4,518,190.22
  5. Step 5: Solve for x
    x = 4,518,190.22/2,373.57
  6. Step 6: Final answer
    x = 1,903.54

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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.