Home / 1,715.35-2,367.31-959.19

Finding the Fourth Proportional to 1,715.35, 2,367.31 and 959.19

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Solution

The fourth proportional to 1,715.35, 2,367.31 and 959.19 is: 1,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.35 : 2,367.31 = 959.19 : x
  2. Step 2: Convert to fraction form
    1,715.35/2,367.31 = 959.19/x
  3. Step 3: Cross multiply
    1,715.35x = 2,367.31 × 959.19
  4. Step 4: Simplify right side
    1,715.35x = 2,270,695.28
  5. Step 5: Solve for x
    x = 2,270,695.28/1,715.35
  6. Step 6: Final answer
    x = 1,323.75

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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.