Home / 1,705.91-2,545.49-1,601.42

Finding the Fourth Proportional to 1,705.91, 2,545.49 and 1,601.42

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Solution

The fourth proportional to 1,705.91, 2,545.49 and 1,601.42 is: 2,389.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705.91 : 2,545.49 = 1,601.42 : x
  2. Step 2: Convert to fraction form
    1,705.91/2,545.49 = 1,601.42/x
  3. Step 3: Cross multiply
    1,705.91x = 2,545.49 × 1,601.42
  4. Step 4: Simplify right side
    1,705.91x = 4,076,397.43
  5. Step 5: Solve for x
    x = 4,076,397.43/1,705.91
  6. Step 6: Final answer
    x = 2,389.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.