Home / 1,247.04-1,879.01-1,035.36

Finding the Fourth Proportional to 1,247.04, 1,879.01 and 1,035.36

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Solution

The fourth proportional to 1,247.04, 1,879.01 and 1,035.36 is: 1,560.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247.04 : 1,879.01 = 1,035.36 : x
  2. Step 2: Convert to fraction form
    1,247.04/1,879.01 = 1,035.36/x
  3. Step 3: Cross multiply
    1,247.04x = 1,879.01 × 1,035.36
  4. Step 4: Simplify right side
    1,247.04x = 1,945,451.79
  5. Step 5: Solve for x
    x = 1,945,451.79/1,247.04
  6. Step 6: Final answer
    x = 1,560.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.