Home / 1,323.58-1,826.40-1,008.07

Finding the Fourth Proportional to 1,323.58, 1,826.40 and 1,008.07

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Solution

The fourth proportional to 1,323.58, 1,826.40 and 1,008.07 is: 1,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.58 : 1,826.40 = 1,008.07 : x
  2. Step 2: Convert to fraction form
    1,323.58/1,826.40 = 1,008.07/x
  3. Step 3: Cross multiply
    1,323.58x = 1,826.40 × 1,008.07
  4. Step 4: Simplify right side
    1,323.58x = 1,841,139.05
  5. Step 5: Solve for x
    x = 1,841,139.05/1,323.58
  6. Step 6: Final answer
    x = 1,391.03

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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.