Home / 1,528.01-2,105.36-1,029.77

Finding the Fourth Proportional to 1,528.01, 2,105.36 and 1,029.77

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Solution

The fourth proportional to 1,528.01, 2,105.36 and 1,029.77 is: 1,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.01 : 2,105.36 = 1,029.77 : x
  2. Step 2: Convert to fraction form
    1,528.01/2,105.36 = 1,029.77/x
  3. Step 3: Cross multiply
    1,528.01x = 2,105.36 × 1,029.77
  4. Step 4: Simplify right side
    1,528.01x = 2,168,026.04
  5. Step 5: Solve for x
    x = 2,168,026.04/1,528.01
  6. Step 6: Final answer
    x = 1,418.86

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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.