Home / 1,788.23-2,677.40-1,348.15

Finding the Fourth Proportional to 1,788.23, 2,677.40 and 1,348.15

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Solution

The fourth proportional to 1,788.23, 2,677.40 and 1,348.15 is: 2,018.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.23 : 2,677.40 = 1,348.15 : x
  2. Step 2: Convert to fraction form
    1,788.23/2,677.40 = 1,348.15/x
  3. Step 3: Cross multiply
    1,788.23x = 2,677.40 × 1,348.15
  4. Step 4: Simplify right side
    1,788.23x = 3,609,536.81
  5. Step 5: Solve for x
    x = 3,609,536.81/1,788.23
  6. Step 6: Final answer
    x = 2,018.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.