Home / 1,050.37-1,574.33-928.87

Finding the Fourth Proportional to 1,050.37, 1,574.33 and 928.87

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Solution

The fourth proportional to 1,050.37, 1,574.33 and 928.87 is: 1,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.37 : 1,574.33 = 928.87 : x
  2. Step 2: Convert to fraction form
    1,050.37/1,574.33 = 928.87/x
  3. Step 3: Cross multiply
    1,050.37x = 1,574.33 × 928.87
  4. Step 4: Simplify right side
    1,050.37x = 1,462,335.39
  5. Step 5: Solve for x
    x = 1,462,335.39/1,050.37
  6. Step 6: Final answer
    x = 1,392.22

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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.