Home / 2,068.58-2,853.99-1,271.07

Finding the Fourth Proportional to 2,068.58, 2,853.99 and 1,271.07

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Solution

The fourth proportional to 2,068.58, 2,853.99 and 1,271.07 is: 1,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.58 : 2,853.99 = 1,271.07 : x
  2. Step 2: Convert to fraction form
    2,068.58/2,853.99 = 1,271.07/x
  3. Step 3: Cross multiply
    2,068.58x = 2,853.99 × 1,271.07
  4. Step 4: Simplify right side
    2,068.58x = 3,627,621.07
  5. Step 5: Solve for x
    x = 3,627,621.07/2,068.58
  6. Step 6: Final answer
    x = 1,753.68

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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.