Home / 1,568.08-2,350.74-1,338.45

Finding the Fourth Proportional to 1,568.08, 2,350.74 and 1,338.45

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Solution

The fourth proportional to 1,568.08, 2,350.74 and 1,338.45 is: 2,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.08 : 2,350.74 = 1,338.45 : x
  2. Step 2: Convert to fraction form
    1,568.08/2,350.74 = 1,338.45/x
  3. Step 3: Cross multiply
    1,568.08x = 2,350.74 × 1,338.45
  4. Step 4: Simplify right side
    1,568.08x = 3,146,347.95
  5. Step 5: Solve for x
    x = 3,146,347.95/1,568.08
  6. Step 6: Final answer
    x = 2,006.50

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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.