Home / 2,117.53-2,922.19-1,173.32

Finding the Fourth Proportional to 2,117.53, 2,922.19 and 1,173.32

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Solution

The fourth proportional to 2,117.53, 2,922.19 and 1,173.32 is: 1,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.53 : 2,922.19 = 1,173.32 : x
  2. Step 2: Convert to fraction form
    2,117.53/2,922.19 = 1,173.32/x
  3. Step 3: Cross multiply
    2,117.53x = 2,922.19 × 1,173.32
  4. Step 4: Simplify right side
    2,117.53x = 3,428,673.82
  5. Step 5: Solve for x
    x = 3,428,673.82/2,117.53
  6. Step 6: Final answer
    x = 1,619.18

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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.