Home / 2,890.20-4,328.37-1,653.87

Finding the Fourth Proportional to 2,890.20, 4,328.37 and 1,653.87

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Solution

The fourth proportional to 2,890.20, 4,328.37 and 1,653.87 is: 2,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.20 : 4,328.37 = 1,653.87 : x
  2. Step 2: Convert to fraction form
    2,890.20/4,328.37 = 1,653.87/x
  3. Step 3: Cross multiply
    2,890.20x = 4,328.37 × 1,653.87
  4. Step 4: Simplify right side
    2,890.20x = 7,158,561.29
  5. Step 5: Solve for x
    x = 7,158,561.29/2,890.20
  6. Step 6: Final answer
    x = 2,476.84

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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.