Home / 2,942.51-4,405.23-2,291.27

Finding the Fourth Proportional to 2,942.51, 4,405.23 and 2,291.27

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Solution

The fourth proportional to 2,942.51, 4,405.23 and 2,291.27 is: 3,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.51 : 4,405.23 = 2,291.27 : x
  2. Step 2: Convert to fraction form
    2,942.51/4,405.23 = 2,291.27/x
  3. Step 3: Cross multiply
    2,942.51x = 4,405.23 × 2,291.27
  4. Step 4: Simplify right side
    2,942.51x = 10,093,549.32
  5. Step 5: Solve for x
    x = 10,093,549.32/2,942.51
  6. Step 6: Final answer
    x = 3,430.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.