Home / 3,090.08-4,264.26-1,763.78

Finding the Fourth Proportional to 3,090.08, 4,264.26 and 1,763.78

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Solution

The fourth proportional to 3,090.08, 4,264.26 and 1,763.78 is: 2,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.08 : 4,264.26 = 1,763.78 : x
  2. Step 2: Convert to fraction form
    3,090.08/4,264.26 = 1,763.78/x
  3. Step 3: Cross multiply
    3,090.08x = 4,264.26 × 1,763.78
  4. Step 4: Simplify right side
    3,090.08x = 7,521,216.50
  5. Step 5: Solve for x
    x = 7,521,216.50/3,090.08
  6. Step 6: Final answer
    x = 2,433.99

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1.5x scale

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.