Home / 2,319.22-3,200.47-1,271.22

Finding the Fourth Proportional to 2,319.22, 3,200.47 and 1,271.22

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Solution

The fourth proportional to 2,319.22, 3,200.47 and 1,271.22 is: 1,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.22 : 3,200.47 = 1,271.22 : x
  2. Step 2: Convert to fraction form
    2,319.22/3,200.47 = 1,271.22/x
  3. Step 3: Cross multiply
    2,319.22x = 3,200.47 × 1,271.22
  4. Step 4: Simplify right side
    2,319.22x = 4,068,501.47
  5. Step 5: Solve for x
    x = 4,068,501.47/2,319.22
  6. Step 6: Final answer
    x = 1,754.25

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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.