Home / 1,458.40-2,012.60-795.24

Finding the Fourth Proportional to 1,458.40, 2,012.60 and 795.24

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Solution

The fourth proportional to 1,458.40, 2,012.60 and 795.24 is: 1,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.40 : 2,012.60 = 795.24 : x
  2. Step 2: Convert to fraction form
    1,458.40/2,012.60 = 795.24/x
  3. Step 3: Cross multiply
    1,458.40x = 2,012.60 × 795.24
  4. Step 4: Simplify right side
    1,458.40x = 1,600,496.05
  5. Step 5: Solve for x
    x = 1,600,496.05/1,458.40
  6. Step 6: Final answer
    x = 1,097.43

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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.