Home / 3,419.16-4,718.01-1,927.02

Finding the Fourth Proportional to 3,419.16, 4,718.01 and 1,927.02

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Solution

The fourth proportional to 3,419.16, 4,718.01 and 1,927.02 is: 2,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.16 : 4,718.01 = 1,927.02 : x
  2. Step 2: Convert to fraction form
    3,419.16/4,718.01 = 1,927.02/x
  3. Step 3: Cross multiply
    3,419.16x = 4,718.01 × 1,927.02
  4. Step 4: Simplify right side
    3,419.16x = 9,091,699.63
  5. Step 5: Solve for x
    x = 9,091,699.63/3,419.16
  6. Step 6: Final answer
    x = 2,659.04

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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.