Home / 2,380.05-3,570.08-1,284.93

Finding the Fourth Proportional to 2,380.05, 3,570.08 and 1,284.93

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Solution

The fourth proportional to 2,380.05, 3,570.08 and 1,284.93 is: 1,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.05 : 3,570.08 = 1,284.93 : x
  2. Step 2: Convert to fraction form
    2,380.05/3,570.08 = 1,284.93/x
  3. Step 3: Cross multiply
    2,380.05x = 3,570.08 × 1,284.93
  4. Step 4: Simplify right side
    2,380.05x = 4,587,302.89
  5. Step 5: Solve for x
    x = 4,587,302.89/2,380.05
  6. Step 6: Final answer
    x = 1,927.40

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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.