Home / 3,713.21-5,124.47-2,705.15

Finding the Fourth Proportional to 3,713.21, 5,124.47 and 2,705.15

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Solution

The fourth proportional to 3,713.21, 5,124.47 and 2,705.15 is: 3,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.21 : 5,124.47 = 2,705.15 : x
  2. Step 2: Convert to fraction form
    3,713.21/5,124.47 = 2,705.15/x
  3. Step 3: Cross multiply
    3,713.21x = 5,124.47 × 2,705.15
  4. Step 4: Simplify right side
    3,713.21x = 13,862,430.48
  5. Step 5: Solve for x
    x = 13,862,430.48/3,713.21
  6. Step 6: Final answer
    x = 3,733.28

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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.