Home / 3,034.70-4,187.40-1,708.40

Finding the Fourth Proportional to 3,034.70, 4,187.40 and 1,708.40

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Solution

The fourth proportional to 3,034.70, 4,187.40 and 1,708.40 is: 2,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.70 : 4,187.40 = 1,708.40 : x
  2. Step 2: Convert to fraction form
    3,034.70/4,187.40 = 1,708.40/x
  3. Step 3: Cross multiply
    3,034.70x = 4,187.40 × 1,708.40
  4. Step 4: Simplify right side
    3,034.70x = 7,153,754.16
  5. Step 5: Solve for x
    x = 7,153,754.16/3,034.70
  6. Step 6: Final answer
    x = 2,357.32

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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.