Home / 2,440.74-3,655.63-1,891.26

Finding the Fourth Proportional to 2,440.74, 3,655.63 and 1,891.26

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Solution

The fourth proportional to 2,440.74, 3,655.63 and 1,891.26 is: 2,832.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.74 : 3,655.63 = 1,891.26 : x
  2. Step 2: Convert to fraction form
    2,440.74/3,655.63 = 1,891.26/x
  3. Step 3: Cross multiply
    2,440.74x = 3,655.63 × 1,891.26
  4. Step 4: Simplify right side
    2,440.74x = 6,913,746.79
  5. Step 5: Solve for x
    x = 6,913,746.79/2,440.74
  6. Step 6: Final answer
    x = 2,832.64

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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.