Home / 3,436.40-5,154.60-1,705.16

Finding the Fourth Proportional to 3,436.40, 5,154.60 and 1,705.16

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Solution

The fourth proportional to 3,436.40, 5,154.60 and 1,705.16 is: 2,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.40 : 5,154.60 = 1,705.16 : x
  2. Step 2: Convert to fraction form
    3,436.40/5,154.60 = 1,705.16/x
  3. Step 3: Cross multiply
    3,436.40x = 5,154.60 × 1,705.16
  4. Step 4: Simplify right side
    3,436.40x = 8,789,417.74
  5. Step 5: Solve for x
    x = 8,789,417.74/3,436.40
  6. Step 6: Final answer
    x = 2,557.74

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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.