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Finding the Fourth Proportional to 1,798.60, 2,482.02 and 1,012.72

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Solution

The fourth proportional to 1,798.60, 2,482.02 and 1,012.72 is: 1,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.60 : 2,482.02 = 1,012.72 : x
  2. Step 2: Convert to fraction form
    1,798.60/2,482.02 = 1,012.72/x
  3. Step 3: Cross multiply
    1,798.60x = 2,482.02 × 1,012.72
  4. Step 4: Simplify right side
    1,798.60x = 2,513,591.29
  5. Step 5: Solve for x
    x = 2,513,591.29/1,798.60
  6. Step 6: Final answer
    x = 1,397.53

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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.