Home / 2,948.79-4,424.25-1,486.84

Finding the Fourth Proportional to 2,948.79, 4,424.25 and 1,486.84

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Solution

The fourth proportional to 2,948.79, 4,424.25 and 1,486.84 is: 2,230.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.79 : 4,424.25 = 1,486.84 : x
  2. Step 2: Convert to fraction form
    2,948.79/4,424.25 = 1,486.84/x
  3. Step 3: Cross multiply
    2,948.79x = 4,424.25 × 1,486.84
  4. Step 4: Simplify right side
    2,948.79x = 6,578,155.54
  5. Step 5: Solve for x
    x = 6,578,155.54/2,948.79
  6. Step 6: Final answer
    x = 2,230.80

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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.