Home / 1,928.61-2,890.26-1,002.33

Finding the Fourth Proportional to 1,928.61, 2,890.26 and 1,002.33

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Solution

The fourth proportional to 1,928.61, 2,890.26 and 1,002.33 is: 1,502.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.61 : 2,890.26 = 1,002.33 : x
  2. Step 2: Convert to fraction form
    1,928.61/2,890.26 = 1,002.33/x
  3. Step 3: Cross multiply
    1,928.61x = 2,890.26 × 1,002.33
  4. Step 4: Simplify right side
    1,928.61x = 2,896,994.31
  5. Step 5: Solve for x
    x = 2,896,994.31/1,928.61
  6. Step 6: Final answer
    x = 1,502.12

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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.