Home / 3,090.06-4,264.23-1,673.72

Finding the Fourth Proportional to 3,090.06, 4,264.23 and 1,673.72

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Solution

The fourth proportional to 3,090.06, 4,264.23 and 1,673.72 is: 2,309.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.06 : 4,264.23 = 1,673.72 : x
  2. Step 2: Convert to fraction form
    3,090.06/4,264.23 = 1,673.72/x
  3. Step 3: Cross multiply
    3,090.06x = 4,264.23 × 1,673.72
  4. Step 4: Simplify right side
    3,090.06x = 7,137,105.71
  5. Step 5: Solve for x
    x = 7,137,105.71/3,090.06
  6. Step 6: Final answer
    x = 2,309.70

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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.