Home / 2,730.48-4,094.64-1,762.80

Finding the Fourth Proportional to 2,730.48, 4,094.64 and 1,762.80

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Solution

The fourth proportional to 2,730.48, 4,094.64 and 1,762.80 is: 2,643.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.48 : 4,094.64 = 1,762.80 : x
  2. Step 2: Convert to fraction form
    2,730.48/4,094.64 = 1,762.80/x
  3. Step 3: Cross multiply
    2,730.48x = 4,094.64 × 1,762.80
  4. Step 4: Simplify right side
    2,730.48x = 7,218,031.39
  5. Step 5: Solve for x
    x = 7,218,031.39/2,730.48
  6. Step 6: Final answer
    x = 2,643.50

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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.