Home / 2,386.98-3,560.58-1,999.44

Finding the Fourth Proportional to 2,386.98, 3,560.58 and 1,999.44

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Solution

The fourth proportional to 2,386.98, 3,560.58 and 1,999.44 is: 2,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,386.98 : 3,560.58 = 1,999.44 : x
  2. Step 2: Convert to fraction form
    2,386.98/3,560.58 = 1,999.44/x
  3. Step 3: Cross multiply
    2,386.98x = 3,560.58 × 1,999.44
  4. Step 4: Simplify right side
    2,386.98x = 7,119,166.08
  5. Step 5: Solve for x
    x = 7,119,166.08/2,386.98
  6. Step 6: Final answer
    x = 2,982.50

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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.