Home / 2,962.80-4,443.14-1,316.40

Finding the Fourth Proportional to 2,962.80, 4,443.14 and 1,316.40

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Solution

The fourth proportional to 2,962.80, 4,443.14 and 1,316.40 is: 1,974.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.80 : 4,443.14 = 1,316.40 : x
  2. Step 2: Convert to fraction form
    2,962.80/4,443.14 = 1,316.40/x
  3. Step 3: Cross multiply
    2,962.80x = 4,443.14 × 1,316.40
  4. Step 4: Simplify right side
    2,962.80x = 5,848,949.50
  5. Step 5: Solve for x
    x = 5,848,949.50/2,962.80
  6. Step 6: Final answer
    x = 1,974.13

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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.