Home / 3,435.16-4,740.31-1,943.39

Finding the Fourth Proportional to 3,435.16, 4,740.31 and 1,943.39

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Solution

The fourth proportional to 3,435.16, 4,740.31 and 1,943.39 is: 2,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.16 : 4,740.31 = 1,943.39 : x
  2. Step 2: Convert to fraction form
    3,435.16/4,740.31 = 1,943.39/x
  3. Step 3: Cross multiply
    3,435.16x = 4,740.31 × 1,943.39
  4. Step 4: Simplify right side
    3,435.16x = 9,212,271.05
  5. Step 5: Solve for x
    x = 9,212,271.05/3,435.16
  6. Step 6: Final answer
    x = 2,681.76

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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.