Home / 1,723.03-2,379.76-1,136.18

Finding the Fourth Proportional to 1,723.03, 2,379.76 and 1,136.18

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Solution

The fourth proportional to 1,723.03, 2,379.76 and 1,136.18 is: 1,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.03 : 2,379.76 = 1,136.18 : x
  2. Step 2: Convert to fraction form
    1,723.03/2,379.76 = 1,136.18/x
  3. Step 3: Cross multiply
    1,723.03x = 2,379.76 × 1,136.18
  4. Step 4: Simplify right side
    1,723.03x = 2,703,838.83
  5. Step 5: Solve for x
    x = 2,703,838.83/1,723.03
  6. Step 6: Final answer
    x = 1,569.24

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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.