Home / 1,767.92-2,440.95-1,105.07

Finding the Fourth Proportional to 1,767.92, 2,440.95 and 1,105.07

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Solution

The fourth proportional to 1,767.92, 2,440.95 and 1,105.07 is: 1,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.92 : 2,440.95 = 1,105.07 : x
  2. Step 2: Convert to fraction form
    1,767.92/2,440.95 = 1,105.07/x
  3. Step 3: Cross multiply
    1,767.92x = 2,440.95 × 1,105.07
  4. Step 4: Simplify right side
    1,767.92x = 2,697,420.62
  5. Step 5: Solve for x
    x = 2,697,420.62/1,767.92
  6. Step 6: Final answer
    x = 1,525.76

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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.