Home / 1,632.39-2,250.48-1,107.51

Finding the Fourth Proportional to 1,632.39, 2,250.48 and 1,107.51

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Solution

The fourth proportional to 1,632.39, 2,250.48 and 1,107.51 is: 1,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.39 : 2,250.48 = 1,107.51 : x
  2. Step 2: Convert to fraction form
    1,632.39/2,250.48 = 1,107.51/x
  3. Step 3: Cross multiply
    1,632.39x = 2,250.48 × 1,107.51
  4. Step 4: Simplify right side
    1,632.39x = 2,492,429.10
  5. Step 5: Solve for x
    x = 2,492,429.10/1,632.39
  6. Step 6: Final answer
    x = 1,526.86

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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.