Home / 2,071.68-2,858.40-1,232.16

Finding the Fourth Proportional to 2,071.68, 2,858.40 and 1,232.16

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Solution

The fourth proportional to 2,071.68, 2,858.40 and 1,232.16 is: 1,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.68 : 2,858.40 = 1,232.16 : x
  2. Step 2: Convert to fraction form
    2,071.68/2,858.40 = 1,232.16/x
  3. Step 3: Cross multiply
    2,071.68x = 2,858.40 × 1,232.16
  4. Step 4: Simplify right side
    2,071.68x = 3,522,006.14
  5. Step 5: Solve for x
    x = 3,522,006.14/2,071.68
  6. Step 6: Final answer
    x = 1,700.07

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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.