Home / 3,955.03-5,457.98-2,162.56

Finding the Fourth Proportional to 3,955.03, 5,457.98 and 2,162.56

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Solution

The fourth proportional to 3,955.03, 5,457.98 and 2,162.56 is: 2,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.03 : 5,457.98 = 2,162.56 : x
  2. Step 2: Convert to fraction form
    3,955.03/5,457.98 = 2,162.56/x
  3. Step 3: Cross multiply
    3,955.03x = 5,457.98 × 2,162.56
  4. Step 4: Simplify right side
    3,955.03x = 11,803,209.23
  5. Step 5: Solve for x
    x = 11,803,209.23/3,955.03
  6. Step 6: Final answer
    x = 2,984.35

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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.