Home / 3,950.15-5,448.06-2,457.18

Finding the Fourth Proportional to 3,950.15, 5,448.06 and 2,457.18

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Solution

The fourth proportional to 3,950.15, 5,448.06 and 2,457.18 is: 3,388.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.15 : 5,448.06 = 2,457.18 : x
  2. Step 2: Convert to fraction form
    3,950.15/5,448.06 = 2,457.18/x
  3. Step 3: Cross multiply
    3,950.15x = 5,448.06 × 2,457.18
  4. Step 4: Simplify right side
    3,950.15x = 13,386,864.07
  5. Step 5: Solve for x
    x = 13,386,864.07/3,950.15
  6. Step 6: Final answer
    x = 3,388.95

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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.