Home / 3,710.13-5,112.93-2,715.72

Finding the Fourth Proportional to 3,710.13, 5,112.93 and 2,715.72

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Solution

The fourth proportional to 3,710.13, 5,112.93 and 2,715.72 is: 3,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.13 : 5,112.93 = 2,715.72 : x
  2. Step 2: Convert to fraction form
    3,710.13/5,112.93 = 2,715.72/x
  3. Step 3: Cross multiply
    3,710.13x = 5,112.93 × 2,715.72
  4. Step 4: Simplify right side
    3,710.13x = 13,885,286.26
  5. Step 5: Solve for x
    x = 13,885,286.26/3,710.13
  6. Step 6: Final answer
    x = 3,742.53

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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.