Home / 1,544.09-2,128.71-1,045.94

Finding the Fourth Proportional to 1,544.09, 2,128.71 and 1,045.94

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Solution

The fourth proportional to 1,544.09, 2,128.71 and 1,045.94 is: 1,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.09 : 2,128.71 = 1,045.94 : x
  2. Step 2: Convert to fraction form
    1,544.09/2,128.71 = 1,045.94/x
  3. Step 3: Cross multiply
    1,544.09x = 2,128.71 × 1,045.94
  4. Step 4: Simplify right side
    1,544.09x = 2,226,502.94
  5. Step 5: Solve for x
    x = 2,226,502.94/1,544.09
  6. Step 6: Final answer
    x = 1,441.95

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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.