Home / 2,085.14-3,127.36-974.66

Finding the Fourth Proportional to 2,085.14, 3,127.36 and 974.66

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Solution

The fourth proportional to 2,085.14, 3,127.36 and 974.66 is: 1,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.14 : 3,127.36 = 974.66 : x
  2. Step 2: Convert to fraction form
    2,085.14/3,127.36 = 974.66/x
  3. Step 3: Cross multiply
    2,085.14x = 3,127.36 × 974.66
  4. Step 4: Simplify right side
    2,085.14x = 3,048,112.06
  5. Step 5: Solve for x
    x = 3,048,112.06/2,085.14
  6. Step 6: Final answer
    x = 1,461.82

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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.