Home / 1,564.36-2,346.62-1,289.95

Finding the Fourth Proportional to 1,564.36, 2,346.62 and 1,289.95

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Solution

The fourth proportional to 1,564.36, 2,346.62 and 1,289.95 is: 1,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564.36 : 2,346.62 = 1,289.95 : x
  2. Step 2: Convert to fraction form
    1,564.36/2,346.62 = 1,289.95/x
  3. Step 3: Cross multiply
    1,564.36x = 2,346.62 × 1,289.95
  4. Step 4: Simplify right side
    1,564.36x = 3,027,024.01
  5. Step 5: Solve for x
    x = 3,027,024.01/1,564.36
  6. Step 6: Final answer
    x = 1,934.99

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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.