Home / 3,130.41-4,315.86-2,599.77

Finding the Fourth Proportional to 3,130.41, 4,315.86 and 2,599.77

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Solution

The fourth proportional to 3,130.41, 4,315.86 and 2,599.77 is: 3,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.41 : 4,315.86 = 2,599.77 : x
  2. Step 2: Convert to fraction form
    3,130.41/4,315.86 = 2,599.77/x
  3. Step 3: Cross multiply
    3,130.41x = 4,315.86 × 2,599.77
  4. Step 4: Simplify right side
    3,130.41x = 11,220,243.35
  5. Step 5: Solve for x
    x = 11,220,243.35/3,130.41
  6. Step 6: Final answer
    x = 3,584.27

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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.