Home / 1,715.55-2,366.73-1,125.33

Finding the Fourth Proportional to 1,715.55, 2,366.73 and 1,125.33

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Solution

The fourth proportional to 1,715.55, 2,366.73 and 1,125.33 is: 1,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.55 : 2,366.73 = 1,125.33 : x
  2. Step 2: Convert to fraction form
    1,715.55/2,366.73 = 1,125.33/x
  3. Step 3: Cross multiply
    1,715.55x = 2,366.73 × 1,125.33
  4. Step 4: Simplify right side
    1,715.55x = 2,663,352.27
  5. Step 5: Solve for x
    x = 2,663,352.27/1,715.55
  6. Step 6: Final answer
    x = 1,552.48

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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.