Home / 3,325.76-4,988.64-1,274.24

Finding the Fourth Proportional to 3,325.76, 4,988.64 and 1,274.24

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Solution

The fourth proportional to 3,325.76, 4,988.64 and 1,274.24 is: 1,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.76 : 4,988.64 = 1,274.24 : x
  2. Step 2: Convert to fraction form
    3,325.76/4,988.64 = 1,274.24/x
  3. Step 3: Cross multiply
    3,325.76x = 4,988.64 × 1,274.24
  4. Step 4: Simplify right side
    3,325.76x = 6,356,724.63
  5. Step 5: Solve for x
    x = 6,356,724.63/3,325.76
  6. Step 6: Final answer
    x = 1,911.36

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1.5x scale

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.