Home / 2,047.12-2,828.75-1,456.63

Finding the Fourth Proportional to 2,047.12, 2,828.75 and 1,456.63

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Solution

The fourth proportional to 2,047.12, 2,828.75 and 1,456.63 is: 2,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.12 : 2,828.75 = 1,456.63 : x
  2. Step 2: Convert to fraction form
    2,047.12/2,828.75 = 1,456.63/x
  3. Step 3: Cross multiply
    2,047.12x = 2,828.75 × 1,456.63
  4. Step 4: Simplify right side
    2,047.12x = 4,120,447.77
  5. Step 5: Solve for x
    x = 4,120,447.77/2,047.12
  6. Step 6: Final answer
    x = 2,012.80

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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.