Home / 2,048.29-2,828.22-1,575.45

Finding the Fourth Proportional to 2,048.29, 2,828.22 and 1,575.45

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Solution

The fourth proportional to 2,048.29, 2,828.22 and 1,575.45 is: 2,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.29 : 2,828.22 = 1,575.45 : x
  2. Step 2: Convert to fraction form
    2,048.29/2,828.22 = 1,575.45/x
  3. Step 3: Cross multiply
    2,048.29x = 2,828.22 × 1,575.45
  4. Step 4: Simplify right side
    2,048.29x = 4,455,713.29
  5. Step 5: Solve for x
    x = 4,455,713.29/2,048.29
  6. Step 6: Final answer
    x = 2,175.34

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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.