Home / 3,070.48-4,231.54-2,509.15

Finding the Fourth Proportional to 3,070.48, 4,231.54 and 2,509.15

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Solution

The fourth proportional to 3,070.48, 4,231.54 and 2,509.15 is: 3,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.48 : 4,231.54 = 2,509.15 : x
  2. Step 2: Convert to fraction form
    3,070.48/4,231.54 = 2,509.15/x
  3. Step 3: Cross multiply
    3,070.48x = 4,231.54 × 2,509.15
  4. Step 4: Simplify right side
    3,070.48x = 10,617,568.59
  5. Step 5: Solve for x
    x = 10,617,568.59/3,070.48
  6. Step 6: Final answer
    x = 3,457.95

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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.