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Finding the Fourth Proportional to 1,754.03, 2,420.58 and 957.35

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Solution

The fourth proportional to 1,754.03, 2,420.58 and 957.35 is: 1,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.03 : 2,420.58 = 957.35 : x
  2. Step 2: Convert to fraction form
    1,754.03/2,420.58 = 957.35/x
  3. Step 3: Cross multiply
    1,754.03x = 2,420.58 × 957.35
  4. Step 4: Simplify right side
    1,754.03x = 2,317,330.16
  5. Step 5: Solve for x
    x = 2,317,330.16/1,754.03
  6. Step 6: Final answer
    x = 1,321.15

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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.