Home / 1,542.69-2,311.61-848.34

Finding the Fourth Proportional to 1,542.69, 2,311.61 and 848.34

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Solution

The fourth proportional to 1,542.69, 2,311.61 and 848.34 is: 1,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.69 : 2,311.61 = 848.34 : x
  2. Step 2: Convert to fraction form
    1,542.69/2,311.61 = 848.34/x
  3. Step 3: Cross multiply
    1,542.69x = 2,311.61 × 848.34
  4. Step 4: Simplify right side
    1,542.69x = 1,961,026.99
  5. Step 5: Solve for x
    x = 1,961,026.99/1,542.69
  6. Step 6: Final answer
    x = 1,271.17

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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.