Home / 3,126.99-4,315.07-1,710.39

Finding the Fourth Proportional to 3,126.99, 4,315.07 and 1,710.39

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Solution

The fourth proportional to 3,126.99, 4,315.07 and 1,710.39 is: 2,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.99 : 4,315.07 = 1,710.39 : x
  2. Step 2: Convert to fraction form
    3,126.99/4,315.07 = 1,710.39/x
  3. Step 3: Cross multiply
    3,126.99x = 4,315.07 × 1,710.39
  4. Step 4: Simplify right side
    3,126.99x = 7,380,460.21
  5. Step 5: Solve for x
    x = 7,380,460.21/3,126.99
  6. Step 6: Final answer
    x = 2,360.24

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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.