Home / 2,497.21-3,742.90-1,878.93

Finding the Fourth Proportional to 2,497.21, 3,742.90 and 1,878.93

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Solution

The fourth proportional to 2,497.21, 3,742.90 and 1,878.93 is: 2,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.21 : 3,742.90 = 1,878.93 : x
  2. Step 2: Convert to fraction form
    2,497.21/3,742.90 = 1,878.93/x
  3. Step 3: Cross multiply
    2,497.21x = 3,742.90 × 1,878.93
  4. Step 4: Simplify right side
    2,497.21x = 7,032,647.10
  5. Step 5: Solve for x
    x = 7,032,647.10/2,497.21
  6. Step 6: Final answer
    x = 2,816.20

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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.