Home / 1,979.44-2,948.25-1,875.35

Finding the Fourth Proportional to 1,979.44, 2,948.25 and 1,875.35

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Solution

The fourth proportional to 1,979.44, 2,948.25 and 1,875.35 is: 2,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979.44 : 2,948.25 = 1,875.35 : x
  2. Step 2: Convert to fraction form
    1,979.44/2,948.25 = 1,875.35/x
  3. Step 3: Cross multiply
    1,979.44x = 2,948.25 × 1,875.35
  4. Step 4: Simplify right side
    1,979.44x = 5,529,004.49
  5. Step 5: Solve for x
    x = 5,529,004.49/1,979.44
  6. Step 6: Final answer
    x = 2,793.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.