Home / 2,124.77-2,932.02-1,285.94

Finding the Fourth Proportional to 2,124.77, 2,932.02 and 1,285.94

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Solution

The fourth proportional to 2,124.77, 2,932.02 and 1,285.94 is: 1,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.77 : 2,932.02 = 1,285.94 : x
  2. Step 2: Convert to fraction form
    2,124.77/2,932.02 = 1,285.94/x
  3. Step 3: Cross multiply
    2,124.77x = 2,932.02 × 1,285.94
  4. Step 4: Simplify right side
    2,124.77x = 3,770,387.14
  5. Step 5: Solve for x
    x = 3,770,387.14/2,124.77
  6. Step 6: Final answer
    x = 1,774.50

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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.