Home / 1,036.05-1,550.57-1,021.47

Finding the Fourth Proportional to 1,036.05, 1,550.57 and 1,021.47

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Solution

The fourth proportional to 1,036.05, 1,550.57 and 1,021.47 is: 1,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.05 : 1,550.57 = 1,021.47 : x
  2. Step 2: Convert to fraction form
    1,036.05/1,550.57 = 1,021.47/x
  3. Step 3: Cross multiply
    1,036.05x = 1,550.57 × 1,021.47
  4. Step 4: Simplify right side
    1,036.05x = 1,583,855.63
  5. Step 5: Solve for x
    x = 1,583,855.63/1,036.05
  6. Step 6: Final answer
    x = 1,528.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.