Home / 1,602.15-2,211.21-1,159.89

Finding the Fourth Proportional to 1,602.15, 2,211.21 and 1,159.89

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Solution

The fourth proportional to 1,602.15, 2,211.21 and 1,159.89 is: 1,600.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.15 : 2,211.21 = 1,159.89 : x
  2. Step 2: Convert to fraction form
    1,602.15/2,211.21 = 1,159.89/x
  3. Step 3: Cross multiply
    1,602.15x = 2,211.21 × 1,159.89
  4. Step 4: Simplify right side
    1,602.15x = 2,564,760.37
  5. Step 5: Solve for x
    x = 2,564,760.37/1,602.15
  6. Step 6: Final answer
    x = 1,600.82

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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.