Home / 3,477.42-5,210.90-2,089.23

Finding the Fourth Proportional to 3,477.42, 5,210.90 and 2,089.23

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Solution

The fourth proportional to 3,477.42, 5,210.90 and 2,089.23 is: 3,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.42 : 5,210.90 = 2,089.23 : x
  2. Step 2: Convert to fraction form
    3,477.42/5,210.90 = 2,089.23/x
  3. Step 3: Cross multiply
    3,477.42x = 5,210.90 × 2,089.23
  4. Step 4: Simplify right side
    3,477.42x = 10,886,758.16
  5. Step 5: Solve for x
    x = 10,886,758.16/3,477.42
  6. Step 6: Final answer
    x = 3,130.70

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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.