Home / 3,147.51-4,343.44-1,750.35

Finding the Fourth Proportional to 3,147.51, 4,343.44 and 1,750.35

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Solution

The fourth proportional to 3,147.51, 4,343.44 and 1,750.35 is: 2,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.51 : 4,343.44 = 1,750.35 : x
  2. Step 2: Convert to fraction form
    3,147.51/4,343.44 = 1,750.35/x
  3. Step 3: Cross multiply
    3,147.51x = 4,343.44 × 1,750.35
  4. Step 4: Simplify right side
    3,147.51x = 7,602,540.20
  5. Step 5: Solve for x
    x = 7,602,540.20/3,147.51
  6. Step 6: Final answer
    x = 2,415.41

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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.