Home / 2,971.63-4,457.45-1,672.39

Finding the Fourth Proportional to 2,971.63, 4,457.45 and 1,672.39

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Solution

The fourth proportional to 2,971.63, 4,457.45 and 1,672.39 is: 2,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.63 : 4,457.45 = 1,672.39 : x
  2. Step 2: Convert to fraction form
    2,971.63/4,457.45 = 1,672.39/x
  3. Step 3: Cross multiply
    2,971.63x = 4,457.45 × 1,672.39
  4. Step 4: Simplify right side
    2,971.63x = 7,454,594.81
  5. Step 5: Solve for x
    x = 7,454,594.81/2,971.63
  6. Step 6: Final answer
    x = 2,508.59

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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.