Home / 3,416.37-5,130.02-2,860.50

Finding the Fourth Proportional to 3,416.37, 5,130.02 and 2,860.50

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Solution

The fourth proportional to 3,416.37, 5,130.02 and 2,860.50 is: 4,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.37 : 5,130.02 = 2,860.50 : x
  2. Step 2: Convert to fraction form
    3,416.37/5,130.02 = 2,860.50/x
  3. Step 3: Cross multiply
    3,416.37x = 5,130.02 × 2,860.50
  4. Step 4: Simplify right side
    3,416.37x = 14,674,422.21
  5. Step 5: Solve for x
    x = 14,674,422.21/3,416.37
  6. Step 6: Final answer
    x = 4,295.33

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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.