Home / 2,703.08-3,730.78-1,707.86

Finding the Fourth Proportional to 2,703.08, 3,730.78 and 1,707.86

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Solution

The fourth proportional to 2,703.08, 3,730.78 and 1,707.86 is: 2,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.08 : 3,730.78 = 1,707.86 : x
  2. Step 2: Convert to fraction form
    2,703.08/3,730.78 = 1,707.86/x
  3. Step 3: Cross multiply
    2,703.08x = 3,730.78 × 1,707.86
  4. Step 4: Simplify right side
    2,703.08x = 6,371,649.93
  5. Step 5: Solve for x
    x = 6,371,649.93/2,703.08
  6. Step 6: Final answer
    x = 2,357.18

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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.