Home / 3,436.05-5,152.35-1,681.19

Finding the Fourth Proportional to 3,436.05, 5,152.35 and 1,681.19

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Solution

The fourth proportional to 3,436.05, 5,152.35 and 1,681.19 is: 2,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.05 : 5,152.35 = 1,681.19 : x
  2. Step 2: Convert to fraction form
    3,436.05/5,152.35 = 1,681.19/x
  3. Step 3: Cross multiply
    3,436.05x = 5,152.35 × 1,681.19
  4. Step 4: Simplify right side
    3,436.05x = 8,662,053.53
  5. Step 5: Solve for x
    x = 8,662,053.53/3,436.05
  6. Step 6: Final answer
    x = 2,520.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.