Home / 2,405.63-3,319.77-1,301.63

Finding the Fourth Proportional to 2,405.63, 3,319.77 and 1,301.63

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Solution

The fourth proportional to 2,405.63, 3,319.77 and 1,301.63 is: 1,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.63 : 3,319.77 = 1,301.63 : x
  2. Step 2: Convert to fraction form
    2,405.63/3,319.77 = 1,301.63/x
  3. Step 3: Cross multiply
    2,405.63x = 3,319.77 × 1,301.63
  4. Step 4: Simplify right side
    2,405.63x = 4,321,095.63
  5. Step 5: Solve for x
    x = 4,321,095.63/2,405.63
  6. Step 6: Final answer
    x = 1,796.25

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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.