Home / 2,664.90-3,677.91-1,531.01

Finding the Fourth Proportional to 2,664.90, 3,677.91 and 1,531.01

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Solution

The fourth proportional to 2,664.90, 3,677.91 and 1,531.01 is: 2,112.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.90 : 3,677.91 = 1,531.01 : x
  2. Step 2: Convert to fraction form
    2,664.90/3,677.91 = 1,531.01/x
  3. Step 3: Cross multiply
    2,664.90x = 3,677.91 × 1,531.01
  4. Step 4: Simplify right side
    2,664.90x = 5,630,916.99
  5. Step 5: Solve for x
    x = 5,630,916.99/2,664.90
  6. Step 6: Final answer
    x = 2,112.99

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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.