Home / 2,071.75-2,858.98-1,127.53

Finding the Fourth Proportional to 2,071.75, 2,858.98 and 1,127.53

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Solution

The fourth proportional to 2,071.75, 2,858.98 and 1,127.53 is: 1,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.75 : 2,858.98 = 1,127.53 : x
  2. Step 2: Convert to fraction form
    2,071.75/2,858.98 = 1,127.53/x
  3. Step 3: Cross multiply
    2,071.75x = 2,858.98 × 1,127.53
  4. Step 4: Simplify right side
    2,071.75x = 3,223,582.90
  5. Step 5: Solve for x
    x = 3,223,582.90/2,071.75
  6. Step 6: Final answer
    x = 1,555.97

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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.