Home / 2,947.63-4,417.80-1,485.99

Finding the Fourth Proportional to 2,947.63, 4,417.80 and 1,485.99

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Solution

The fourth proportional to 2,947.63, 4,417.80 and 1,485.99 is: 2,227.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.63 : 4,417.80 = 1,485.99 : x
  2. Step 2: Convert to fraction form
    2,947.63/4,417.80 = 1,485.99/x
  3. Step 3: Cross multiply
    2,947.63x = 4,417.80 × 1,485.99
  4. Step 4: Simplify right side
    2,947.63x = 6,564,806.62
  5. Step 5: Solve for x
    x = 6,564,806.62/2,947.63
  6. Step 6: Final answer
    x = 2,227.15

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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.