Home / 2,451.23-3,385-1,707.22

Finding the Fourth Proportional to 2,451.23, 3,385 and 1,707.22

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Solution

The fourth proportional to 2,451.23, 3,385 and 1,707.22 is: 2,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.23 : 3,385 = 1,707.22 : x
  2. Step 2: Convert to fraction form
    2,451.23/3,385 = 1,707.22/x
  3. Step 3: Cross multiply
    2,451.23x = 3,385 × 1,707.22
  4. Step 4: Simplify right side
    2,451.23x = 5,778,939.70
  5. Step 5: Solve for x
    x = 5,778,939.70/2,451.23
  6. Step 6: Final answer
    x = 2,357.57

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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.