Home / 2,390.00-3,583.67-1,899.55

Finding the Fourth Proportional to 2,390.00, 3,583.67 and 1,899.55

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Solution

The fourth proportional to 2,390.00, 3,583.67 and 1,899.55 is: 2,848.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.00 : 3,583.67 = 1,899.55 : x
  2. Step 2: Convert to fraction form
    2,390.00/3,583.67 = 1,899.55/x
  3. Step 3: Cross multiply
    2,390.00x = 3,583.67 × 1,899.55
  4. Step 4: Simplify right side
    2,390.00x = 6,807,341.89
  5. Step 5: Solve for x
    x = 6,807,341.89/2,390.00
  6. Step 6: Final answer
    x = 2,848.26

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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.