Home / 2,320.53-3,477.07-1,855.86

Finding the Fourth Proportional to 2,320.53, 3,477.07 and 1,855.86

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Solution

The fourth proportional to 2,320.53, 3,477.07 and 1,855.86 is: 2,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.53 : 3,477.07 = 1,855.86 : x
  2. Step 2: Convert to fraction form
    2,320.53/3,477.07 = 1,855.86/x
  3. Step 3: Cross multiply
    2,320.53x = 3,477.07 × 1,855.86
  4. Step 4: Simplify right side
    2,320.53x = 6,452,955.13
  5. Step 5: Solve for x
    x = 6,452,955.13/2,320.53
  6. Step 6: Final answer
    x = 2,780.81

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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.