Home / 1,590.20-2,375.08-1,371.50

Finding the Fourth Proportional to 1,590.20, 2,375.08 and 1,371.50

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Solution

The fourth proportional to 1,590.20, 2,375.08 and 1,371.50 is: 2,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.20 : 2,375.08 = 1,371.50 : x
  2. Step 2: Convert to fraction form
    1,590.20/2,375.08 = 1,371.50/x
  3. Step 3: Cross multiply
    1,590.20x = 2,375.08 × 1,371.50
  4. Step 4: Simplify right side
    1,590.20x = 3,257,422.22
  5. Step 5: Solve for x
    x = 3,257,422.22/1,590.20
  6. Step 6: Final answer
    x = 2,048.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.