Home / 3,436.81-4,740.04-2,387.05

Finding the Fourth Proportional to 3,436.81, 4,740.04 and 2,387.05

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Solution

The fourth proportional to 3,436.81, 4,740.04 and 2,387.05 is: 3,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.81 : 4,740.04 = 2,387.05 : x
  2. Step 2: Convert to fraction form
    3,436.81/4,740.04 = 2,387.05/x
  3. Step 3: Cross multiply
    3,436.81x = 4,740.04 × 2,387.05
  4. Step 4: Simplify right side
    3,436.81x = 11,314,712.48
  5. Step 5: Solve for x
    x = 11,314,712.48/3,436.81
  6. Step 6: Final answer
    x = 3,292.21

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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.