Home / 2,116.49-2,920.85-1,232.51

Finding the Fourth Proportional to 2,116.49, 2,920.85 and 1,232.51

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Solution

The fourth proportional to 2,116.49, 2,920.85 and 1,232.51 is: 1,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.49 : 2,920.85 = 1,232.51 : x
  2. Step 2: Convert to fraction form
    2,116.49/2,920.85 = 1,232.51/x
  3. Step 3: Cross multiply
    2,116.49x = 2,920.85 × 1,232.51
  4. Step 4: Simplify right side
    2,116.49x = 3,599,956.07
  5. Step 5: Solve for x
    x = 3,599,956.07/2,116.49
  6. Step 6: Final answer
    x = 1,700.91

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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.