Home / 1,718.10-2,370.96-932.16

Finding the Fourth Proportional to 1,718.10, 2,370.96 and 932.16

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Solution

The fourth proportional to 1,718.10, 2,370.96 and 932.16 is: 1,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718.10 : 2,370.96 = 932.16 : x
  2. Step 2: Convert to fraction form
    1,718.10/2,370.96 = 932.16/x
  3. Step 3: Cross multiply
    1,718.10x = 2,370.96 × 932.16
  4. Step 4: Simplify right side
    1,718.10x = 2,210,114.07
  5. Step 5: Solve for x
    x = 2,210,114.07/1,718.10
  6. Step 6: Final answer
    x = 1,286.37

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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.