Home / 1,055.61-1,573.44-1,003.62

Finding the Fourth Proportional to 1,055.61, 1,573.44 and 1,003.62

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Solution

The fourth proportional to 1,055.61, 1,573.44 and 1,003.62 is: 1,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.61 : 1,573.44 = 1,003.62 : x
  2. Step 2: Convert to fraction form
    1,055.61/1,573.44 = 1,003.62/x
  3. Step 3: Cross multiply
    1,055.61x = 1,573.44 × 1,003.62
  4. Step 4: Simplify right side
    1,055.61x = 1,579,135.85
  5. Step 5: Solve for x
    x = 1,579,135.85/1,055.61
  6. Step 6: Final answer
    x = 1,495.95

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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.