Home / 2,870.83-4,307.32-1,955.03

Finding the Fourth Proportional to 2,870.83, 4,307.32 and 1,955.03

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Solution

The fourth proportional to 2,870.83, 4,307.32 and 1,955.03 is: 2,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.83 : 4,307.32 = 1,955.03 : x
  2. Step 2: Convert to fraction form
    2,870.83/4,307.32 = 1,955.03/x
  3. Step 3: Cross multiply
    2,870.83x = 4,307.32 × 1,955.03
  4. Step 4: Simplify right side
    2,870.83x = 8,420,920.73
  5. Step 5: Solve for x
    x = 8,420,920.73/2,870.83
  6. Step 6: Final answer
    x = 2,933.27

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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.