Home / 1,050.30-1,568.84-1,045.44

Finding the Fourth Proportional to 1,050.30, 1,568.84 and 1,045.44

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Solution

The fourth proportional to 1,050.30, 1,568.84 and 1,045.44 is: 1,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.30 : 1,568.84 = 1,045.44 : x
  2. Step 2: Convert to fraction form
    1,050.30/1,568.84 = 1,045.44/x
  3. Step 3: Cross multiply
    1,050.30x = 1,568.84 × 1,045.44
  4. Step 4: Simplify right side
    1,050.30x = 1,640,122.86
  5. Step 5: Solve for x
    x = 1,640,122.86/1,050.30
  6. Step 6: Final answer
    x = 1,561.58

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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.