Home / 3,090.70-4,637.40-1,446.40

Finding the Fourth Proportional to 3,090.70, 4,637.40 and 1,446.40

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Solution

The fourth proportional to 3,090.70, 4,637.40 and 1,446.40 is: 2,170.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.70 : 4,637.40 = 1,446.40 : x
  2. Step 2: Convert to fraction form
    3,090.70/4,637.40 = 1,446.40/x
  3. Step 3: Cross multiply
    3,090.70x = 4,637.40 × 1,446.40
  4. Step 4: Simplify right side
    3,090.70x = 6,707,535.36
  5. Step 5: Solve for x
    x = 6,707,535.36/3,090.70
  6. Step 6: Final answer
    x = 2,170.23

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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.