Home / 3,410.65-4,706.55-1,898.16

Finding the Fourth Proportional to 3,410.65, 4,706.55 and 1,898.16

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Solution

The fourth proportional to 3,410.65, 4,706.55 and 1,898.16 is: 2,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.65 : 4,706.55 = 1,898.16 : x
  2. Step 2: Convert to fraction form
    3,410.65/4,706.55 = 1,898.16/x
  3. Step 3: Cross multiply
    3,410.65x = 4,706.55 × 1,898.16
  4. Step 4: Simplify right side
    3,410.65x = 8,933,808.40
  5. Step 5: Solve for x
    x = 8,933,808.40/3,410.65
  6. Step 6: Final answer
    x = 2,619.39

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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.