Home / 2,810.23-4,215.50-1,421.93

Finding the Fourth Proportional to 2,810.23, 4,215.50 and 1,421.93

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Solution

The fourth proportional to 2,810.23, 4,215.50 and 1,421.93 is: 2,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.23 : 4,215.50 = 1,421.93 : x
  2. Step 2: Convert to fraction form
    2,810.23/4,215.50 = 1,421.93/x
  3. Step 3: Cross multiply
    2,810.23x = 4,215.50 × 1,421.93
  4. Step 4: Simplify right side
    2,810.23x = 5,994,145.92
  5. Step 5: Solve for x
    x = 5,994,145.92/2,810.23
  6. Step 6: Final answer
    x = 2,132.97

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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.