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Finding the Fourth Proportional to 1,980.56, 2,953.22 and 1,750.32

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Solution

The fourth proportional to 1,980.56, 2,953.22 and 1,750.32 is: 2,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980.56 : 2,953.22 = 1,750.32 : x
  2. Step 2: Convert to fraction form
    1,980.56/2,953.22 = 1,750.32/x
  3. Step 3: Cross multiply
    1,980.56x = 2,953.22 × 1,750.32
  4. Step 4: Simplify right side
    1,980.56x = 5,169,080.03
  5. Step 5: Solve for x
    x = 5,169,080.03/1,980.56
  6. Step 6: Final answer
    x = 2,609.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.