Home / 1,267.08-1,899.39-573.93

Finding the Fourth Proportional to 1,267.08, 1,899.39 and 573.93

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Solution

The fourth proportional to 1,267.08, 1,899.39 and 573.93 is: 860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267.08 : 1,899.39 = 573.93 : x
  2. Step 2: Convert to fraction form
    1,267.08/1,899.39 = 573.93/x
  3. Step 3: Cross multiply
    1,267.08x = 1,899.39 × 573.93
  4. Step 4: Simplify right side
    1,267.08x = 1,090,116.90
  5. Step 5: Solve for x
    x = 1,090,116.90/1,267.08
  6. Step 6: Final answer
    x = 860.34

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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.