Home / 3,327.34-4,991.03-1,590.70

Finding the Fourth Proportional to 3,327.34, 4,991.03 and 1,590.70

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Solution

The fourth proportional to 3,327.34, 4,991.03 and 1,590.70 is: 2,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.34 : 4,991.03 = 1,590.70 : x
  2. Step 2: Convert to fraction form
    3,327.34/4,991.03 = 1,590.70/x
  3. Step 3: Cross multiply
    3,327.34x = 4,991.03 × 1,590.70
  4. Step 4: Simplify right side
    3,327.34x = 7,939,198.51
  5. Step 5: Solve for x
    x = 7,939,198.51/3,327.34
  6. Step 6: Final answer
    x = 2,386.05

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1.5x scale

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.