Home / 1,786.15-2,465.03-1,040.17

Finding the Fourth Proportional to 1,786.15, 2,465.03 and 1,040.17

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Solution

The fourth proportional to 1,786.15, 2,465.03 and 1,040.17 is: 1,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.15 : 2,465.03 = 1,040.17 : x
  2. Step 2: Convert to fraction form
    1,786.15/2,465.03 = 1,040.17/x
  3. Step 3: Cross multiply
    1,786.15x = 2,465.03 × 1,040.17
  4. Step 4: Simplify right side
    1,786.15x = 2,564,059.02
  5. Step 5: Solve for x
    x = 2,564,059.02/1,786.15
  6. Step 6: Final answer
    x = 1,435.52

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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.