Home / 1,458.32-2,012.19-927.41

Finding the Fourth Proportional to 1,458.32, 2,012.19 and 927.41

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Solution

The fourth proportional to 1,458.32, 2,012.19 and 927.41 is: 1,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.32 : 2,012.19 = 927.41 : x
  2. Step 2: Convert to fraction form
    1,458.32/2,012.19 = 927.41/x
  3. Step 3: Cross multiply
    1,458.32x = 2,012.19 × 927.41
  4. Step 4: Simplify right side
    1,458.32x = 1,866,125.13
  5. Step 5: Solve for x
    x = 1,866,125.13/1,458.32
  6. Step 6: Final answer
    x = 1,279.64

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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.