Home / 2,373.57-3,275.55-1,311.39

Finding the Fourth Proportional to 2,373.57, 3,275.55 and 1,311.39

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Solution

The fourth proportional to 2,373.57, 3,275.55 and 1,311.39 is: 1,809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.57 : 3,275.55 = 1,311.39 : x
  2. Step 2: Convert to fraction form
    2,373.57/3,275.55 = 1,311.39/x
  3. Step 3: Cross multiply
    2,373.57x = 3,275.55 × 1,311.39
  4. Step 4: Simplify right side
    2,373.57x = 4,295,523.51
  5. Step 5: Solve for x
    x = 4,295,523.51/2,373.57
  6. Step 6: Final answer
    x = 1,809.73

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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.