Home / 2,299.70-3,173.57-1,368.20

Finding the Fourth Proportional to 2,299.70, 3,173.57 and 1,368.20

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Solution

The fourth proportional to 2,299.70, 3,173.57 and 1,368.20 is: 1,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.70 : 3,173.57 = 1,368.20 : x
  2. Step 2: Convert to fraction form
    2,299.70/3,173.57 = 1,368.20/x
  3. Step 3: Cross multiply
    2,299.70x = 3,173.57 × 1,368.20
  4. Step 4: Simplify right side
    2,299.70x = 4,342,055.77
  5. Step 5: Solve for x
    x = 4,342,055.77/2,299.70
  6. Step 6: Final answer
    x = 1,888.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.