Home / 2,683.32-3,703.19-1,689.45

Finding the Fourth Proportional to 2,683.32, 3,703.19 and 1,689.45

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Solution

The fourth proportional to 2,683.32, 3,703.19 and 1,689.45 is: 2,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.32 : 3,703.19 = 1,689.45 : x
  2. Step 2: Convert to fraction form
    2,683.32/3,703.19 = 1,689.45/x
  3. Step 3: Cross multiply
    2,683.32x = 3,703.19 × 1,689.45
  4. Step 4: Simplify right side
    2,683.32x = 6,256,345.90
  5. Step 5: Solve for x
    x = 6,256,345.90/2,683.32
  6. Step 6: Final answer
    x = 2,331.57

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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.