Home / 3,173.51-4,749.91-2,870.39

Finding the Fourth Proportional to 3,173.51, 4,749.91 and 2,870.39

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Solution

The fourth proportional to 3,173.51, 4,749.91 and 2,870.39 is: 4,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.51 : 4,749.91 = 2,870.39 : x
  2. Step 2: Convert to fraction form
    3,173.51/4,749.91 = 2,870.39/x
  3. Step 3: Cross multiply
    3,173.51x = 4,749.91 × 2,870.39
  4. Step 4: Simplify right side
    3,173.51x = 13,634,094.16
  5. Step 5: Solve for x
    x = 13,634,094.16/3,173.51
  6. Step 6: Final answer
    x = 4,296.22

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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.