Home / 1,894.46-2,615.98-1,809.91

Finding the Fourth Proportional to 1,894.46, 2,615.98 and 1,809.91

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Solution

The fourth proportional to 1,894.46, 2,615.98 and 1,809.91 is: 2,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.46 : 2,615.98 = 1,809.91 : x
  2. Step 2: Convert to fraction form
    1,894.46/2,615.98 = 1,809.91/x
  3. Step 3: Cross multiply
    1,894.46x = 2,615.98 × 1,809.91
  4. Step 4: Simplify right side
    1,894.46x = 4,734,688.36
  5. Step 5: Solve for x
    x = 4,734,688.36/1,894.46
  6. Step 6: Final answer
    x = 2,499.23

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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.