Home / 1,810.40-2,488.67-1,632.20

Finding the Fourth Proportional to 1,810.40, 2,488.67 and 1,632.20

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Solution

The fourth proportional to 1,810.40, 2,488.67 and 1,632.20 is: 2,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.40 : 2,488.67 = 1,632.20 : x
  2. Step 2: Convert to fraction form
    1,810.40/2,488.67 = 1,632.20/x
  3. Step 3: Cross multiply
    1,810.40x = 2,488.67 × 1,632.20
  4. Step 4: Simplify right side
    1,810.40x = 4,062,007.17
  5. Step 5: Solve for x
    x = 4,062,007.17/1,810.40
  6. Step 6: Final answer
    x = 2,243.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.