Home / 2,853.06-4,280.84-1,005.51

Finding the Fourth Proportional to 2,853.06, 4,280.84 and 1,005.51

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Solution

The fourth proportional to 2,853.06, 4,280.84 and 1,005.51 is: 1,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.06 : 4,280.84 = 1,005.51 : x
  2. Step 2: Convert to fraction form
    2,853.06/4,280.84 = 1,005.51/x
  3. Step 3: Cross multiply
    2,853.06x = 4,280.84 × 1,005.51
  4. Step 4: Simplify right side
    2,853.06x = 4,304,422.40
  5. Step 5: Solve for x
    x = 4,304,422.40/2,853.06
  6. Step 6: Final answer
    x = 1,508.70

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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.