Home / 3,947.04-5,922.18-2,386.98

Finding the Fourth Proportional to 3,947.04, 5,922.18 and 2,386.98

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Solution

The fourth proportional to 3,947.04, 5,922.18 and 2,386.98 is: 3,581.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.04 : 5,922.18 = 2,386.98 : x
  2. Step 2: Convert to fraction form
    3,947.04/5,922.18 = 2,386.98/x
  3. Step 3: Cross multiply
    3,947.04x = 5,922.18 × 2,386.98
  4. Step 4: Simplify right side
    3,947.04x = 14,136,125.22
  5. Step 5: Solve for x
    x = 14,136,125.22/3,947.04
  6. Step 6: Final answer
    x = 3,581.45

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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.