Home / 2,135.81-2,946.30-1,737.92

Finding the Fourth Proportional to 2,135.81, 2,946.30 and 1,737.92

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Solution

The fourth proportional to 2,135.81, 2,946.30 and 1,737.92 is: 2,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.81 : 2,946.30 = 1,737.92 : x
  2. Step 2: Convert to fraction form
    2,135.81/2,946.30 = 1,737.92/x
  3. Step 3: Cross multiply
    2,135.81x = 2,946.30 × 1,737.92
  4. Step 4: Simplify right side
    2,135.81x = 5,120,433.70
  5. Step 5: Solve for x
    x = 5,120,433.70/2,135.81
  6. Step 6: Final answer
    x = 2,397.42

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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.