Home / 2,320.90-3,477.96-1,330.68

Finding the Fourth Proportional to 2,320.90, 3,477.96 and 1,330.68

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Solution

The fourth proportional to 2,320.90, 3,477.96 and 1,330.68 is: 1,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.90 : 3,477.96 = 1,330.68 : x
  2. Step 2: Convert to fraction form
    2,320.90/3,477.96 = 1,330.68/x
  3. Step 3: Cross multiply
    2,320.90x = 3,477.96 × 1,330.68
  4. Step 4: Simplify right side
    2,320.90x = 4,628,051.81
  5. Step 5: Solve for x
    x = 4,628,051.81/2,320.90
  6. Step 6: Final answer
    x = 1,994.08

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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.