Home / 3,407.65-4,705.63-2,150.93

Finding the Fourth Proportional to 3,407.65, 4,705.63 and 2,150.93

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Solution

The fourth proportional to 3,407.65, 4,705.63 and 2,150.93 is: 2,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.65 : 4,705.63 = 2,150.93 : x
  2. Step 2: Convert to fraction form
    3,407.65/4,705.63 = 2,150.93/x
  3. Step 3: Cross multiply
    3,407.65x = 4,705.63 × 2,150.93
  4. Step 4: Simplify right side
    3,407.65x = 10,121,487.12
  5. Step 5: Solve for x
    x = 10,121,487.12/3,407.65
  6. Step 6: Final answer
    x = 2,970.23

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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.