Home / 2,309.80-3,184.23-1,425.01

Finding the Fourth Proportional to 2,309.80, 3,184.23 and 1,425.01

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Solution

The fourth proportional to 2,309.80, 3,184.23 and 1,425.01 is: 1,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.80 : 3,184.23 = 1,425.01 : x
  2. Step 2: Convert to fraction form
    2,309.80/3,184.23 = 1,425.01/x
  3. Step 3: Cross multiply
    2,309.80x = 3,184.23 × 1,425.01
  4. Step 4: Simplify right side
    2,309.80x = 4,537,559.59
  5. Step 5: Solve for x
    x = 4,537,559.59/2,309.80
  6. Step 6: Final answer
    x = 1,964.48

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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.