Home / 2,421.22-3,340.93-1,359.04

Finding the Fourth Proportional to 2,421.22, 3,340.93 and 1,359.04

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Solution

The fourth proportional to 2,421.22, 3,340.93 and 1,359.04 is: 1,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.22 : 3,340.93 = 1,359.04 : x
  2. Step 2: Convert to fraction form
    2,421.22/3,340.93 = 1,359.04/x
  3. Step 3: Cross multiply
    2,421.22x = 3,340.93 × 1,359.04
  4. Step 4: Simplify right side
    2,421.22x = 4,540,457.51
  5. Step 5: Solve for x
    x = 4,540,457.51/2,421.22
  6. Step 6: Final answer
    x = 1,875.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.