Home / 2,967.90-4,093.65-1,788

Finding the Fourth Proportional to 2,967.90, 4,093.65 and 1,788

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Solution

The fourth proportional to 2,967.90, 4,093.65 and 1,788 is: 2,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.90 : 4,093.65 = 1,788 : x
  2. Step 2: Convert to fraction form
    2,967.90/4,093.65 = 1,788/x
  3. Step 3: Cross multiply
    2,967.90x = 4,093.65 × 1,788
  4. Step 4: Simplify right side
    2,967.90x = 7,319,446.20
  5. Step 5: Solve for x
    x = 7,319,446.20/2,967.90
  6. Step 6: Final answer
    x = 2,466.20

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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.