Home / 2,979.04-4,465.36-1,333.32

Finding the Fourth Proportional to 2,979.04, 4,465.36 and 1,333.32

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Solution

The fourth proportional to 2,979.04, 4,465.36 and 1,333.32 is: 1,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.04 : 4,465.36 = 1,333.32 : x
  2. Step 2: Convert to fraction form
    2,979.04/4,465.36 = 1,333.32/x
  3. Step 3: Cross multiply
    2,979.04x = 4,465.36 × 1,333.32
  4. Step 4: Simplify right side
    2,979.04x = 5,953,753.80
  5. Step 5: Solve for x
    x = 5,953,753.80/2,979.04
  6. Step 6: Final answer
    x = 1,998.55

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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.