Home / 3,312.84-4,570.80-2,055

Finding the Fourth Proportional to 3,312.84, 4,570.80 and 2,055

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Solution

The fourth proportional to 3,312.84, 4,570.80 and 2,055 is: 2,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.84 : 4,570.80 = 2,055 : x
  2. Step 2: Convert to fraction form
    3,312.84/4,570.80 = 2,055/x
  3. Step 3: Cross multiply
    3,312.84x = 4,570.80 × 2,055
  4. Step 4: Simplify right side
    3,312.84x = 9,392,994
  5. Step 5: Solve for x
    x = 9,392,994/3,312.84
  6. Step 6: Final answer
    x = 2,835.33

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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.