Home / 2,970.07-4,449.63-2,642.02

Finding the Fourth Proportional to 2,970.07, 4,449.63 and 2,642.02

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Solution

The fourth proportional to 2,970.07, 4,449.63 and 2,642.02 is: 3,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.07 : 4,449.63 = 2,642.02 : x
  2. Step 2: Convert to fraction form
    2,970.07/4,449.63 = 2,642.02/x
  3. Step 3: Cross multiply
    2,970.07x = 4,449.63 × 2,642.02
  4. Step 4: Simplify right side
    2,970.07x = 11,756,011.45
  5. Step 5: Solve for x
    x = 11,756,011.45/2,970.07
  6. Step 6: Final answer
    x = 3,958.16

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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.