Home / 3,436.01-4,743.53-2,688.38

Finding the Fourth Proportional to 3,436.01, 4,743.53 and 2,688.38

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Solution

The fourth proportional to 3,436.01, 4,743.53 and 2,688.38 is: 3,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.01 : 4,743.53 = 2,688.38 : x
  2. Step 2: Convert to fraction form
    3,436.01/4,743.53 = 2,688.38/x
  3. Step 3: Cross multiply
    3,436.01x = 4,743.53 × 2,688.38
  4. Step 4: Simplify right side
    3,436.01x = 12,752,411.18
  5. Step 5: Solve for x
    x = 12,752,411.18/3,436.01
  6. Step 6: Final answer
    x = 3,711.40

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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.