Home / 2,435.41-3,360.05-1,386.73

Finding the Fourth Proportional to 2,435.41, 3,360.05 and 1,386.73

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Solution

The fourth proportional to 2,435.41, 3,360.05 and 1,386.73 is: 1,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.41 : 3,360.05 = 1,386.73 : x
  2. Step 2: Convert to fraction form
    2,435.41/3,360.05 = 1,386.73/x
  3. Step 3: Cross multiply
    2,435.41x = 3,360.05 × 1,386.73
  4. Step 4: Simplify right side
    2,435.41x = 4,659,475.20
  5. Step 5: Solve for x
    x = 4,659,475.20/2,435.41
  6. Step 6: Final answer
    x = 1,913.22

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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.