Home / 1,260.62-1,739.66-701.12

Finding the Fourth Proportional to 1,260.62, 1,739.66 and 701.12

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Solution

The fourth proportional to 1,260.62, 1,739.66 and 701.12 is: 967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.62 : 1,739.66 = 701.12 : x
  2. Step 2: Convert to fraction form
    1,260.62/1,739.66 = 701.12/x
  3. Step 3: Cross multiply
    1,260.62x = 1,739.66 × 701.12
  4. Step 4: Simplify right side
    1,260.62x = 1,219,710.42
  5. Step 5: Solve for x
    x = 1,219,710.42/1,260.62
  6. Step 6: Final answer
    x = 967.55

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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.