Home / 1,879.07-2,592.14-1,215.68

Finding the Fourth Proportional to 1,879.07, 2,592.14 and 1,215.68

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Solution

The fourth proportional to 1,879.07, 2,592.14 and 1,215.68 is: 1,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.07 : 2,592.14 = 1,215.68 : x
  2. Step 2: Convert to fraction form
    1,879.07/2,592.14 = 1,215.68/x
  3. Step 3: Cross multiply
    1,879.07x = 2,592.14 × 1,215.68
  4. Step 4: Simplify right side
    1,879.07x = 3,151,193.72
  5. Step 5: Solve for x
    x = 3,151,193.72/1,879.07
  6. Step 6: Final answer
    x = 1,677.00

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1.5x scale

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.