Home / 2,117.10-2,920.83-1,232.70

Finding the Fourth Proportional to 2,117.10, 2,920.83 and 1,232.70

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Solution

The fourth proportional to 2,117.10, 2,920.83 and 1,232.70 is: 1,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.10 : 2,920.83 = 1,232.70 : x
  2. Step 2: Convert to fraction form
    2,117.10/2,920.83 = 1,232.70/x
  3. Step 3: Cross multiply
    2,117.10x = 2,920.83 × 1,232.70
  4. Step 4: Simplify right side
    2,117.10x = 3,600,507.14
  5. Step 5: Solve for x
    x = 3,600,507.14/2,117.10
  6. Step 6: Final answer
    x = 1,700.68

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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.