Home / 2,870.84-4,299.48-1,883.05

Finding the Fourth Proportional to 2,870.84, 4,299.48 and 1,883.05

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Solution

The fourth proportional to 2,870.84, 4,299.48 and 1,883.05 is: 2,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.84 : 4,299.48 = 1,883.05 : x
  2. Step 2: Convert to fraction form
    2,870.84/4,299.48 = 1,883.05/x
  3. Step 3: Cross multiply
    2,870.84x = 4,299.48 × 1,883.05
  4. Step 4: Simplify right side
    2,870.84x = 8,096,125.07
  5. Step 5: Solve for x
    x = 8,096,125.07/2,870.84
  6. Step 6: Final answer
    x = 2,820.12

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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.