Home / 2,068.98-2,855.15-1,124.79

Finding the Fourth Proportional to 2,068.98, 2,855.15 and 1,124.79

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Solution

The fourth proportional to 2,068.98, 2,855.15 and 1,124.79 is: 1,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.98 : 2,855.15 = 1,124.79 : x
  2. Step 2: Convert to fraction form
    2,068.98/2,855.15 = 1,124.79/x
  3. Step 3: Cross multiply
    2,068.98x = 2,855.15 × 1,124.79
  4. Step 4: Simplify right side
    2,068.98x = 3,211,432.06
  5. Step 5: Solve for x
    x = 3,211,432.06/2,068.98
  6. Step 6: Final answer
    x = 1,552.18

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1.5x scale

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.