Home / 1,680.15-2,313.30-1,524.45

Finding the Fourth Proportional to 1,680.15, 2,313.30 and 1,524.45

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Solution

The fourth proportional to 1,680.15, 2,313.30 and 1,524.45 is: 2,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.15 : 2,313.30 = 1,524.45 : x
  2. Step 2: Convert to fraction form
    1,680.15/2,313.30 = 1,524.45/x
  3. Step 3: Cross multiply
    1,680.15x = 2,313.30 × 1,524.45
  4. Step 4: Simplify right side
    1,680.15x = 3,526,513.01
  5. Step 5: Solve for x
    x = 3,526,513.01/1,680.15
  6. Step 6: Final answer
    x = 2,098.93

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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.