Home / 1,715.22-2,367.10-969.16

Finding the Fourth Proportional to 1,715.22, 2,367.10 and 969.16

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Solution

The fourth proportional to 1,715.22, 2,367.10 and 969.16 is: 1,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.22 : 2,367.10 = 969.16 : x
  2. Step 2: Convert to fraction form
    1,715.22/2,367.10 = 969.16/x
  3. Step 3: Cross multiply
    1,715.22x = 2,367.10 × 969.16
  4. Step 4: Simplify right side
    1,715.22x = 2,294,095.14
  5. Step 5: Solve for x
    x = 2,294,095.14/1,715.22
  6. Step 6: Final answer
    x = 1,337.49

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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.