Home / 1,994.11-2,988.86-1,763.45

Finding the Fourth Proportional to 1,994.11, 2,988.86 and 1,763.45

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Solution

The fourth proportional to 1,994.11, 2,988.86 and 1,763.45 is: 2,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.11 : 2,988.86 = 1,763.45 : x
  2. Step 2: Convert to fraction form
    1,994.11/2,988.86 = 1,763.45/x
  3. Step 3: Cross multiply
    1,994.11x = 2,988.86 × 1,763.45
  4. Step 4: Simplify right side
    1,994.11x = 5,270,681.41
  5. Step 5: Solve for x
    x = 5,270,681.41/1,994.11
  6. Step 6: Final answer
    x = 2,643.13

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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.