Home / 1,770.23-2,443.37-1,210.93

Finding the Fourth Proportional to 1,770.23, 2,443.37 and 1,210.93

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Solution

The fourth proportional to 1,770.23, 2,443.37 and 1,210.93 is: 1,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.23 : 2,443.37 = 1,210.93 : x
  2. Step 2: Convert to fraction form
    1,770.23/2,443.37 = 1,210.93/x
  3. Step 3: Cross multiply
    1,770.23x = 2,443.37 × 1,210.93
  4. Step 4: Simplify right side
    1,770.23x = 2,958,737.87
  5. Step 5: Solve for x
    x = 2,958,737.87/1,770.23
  6. Step 6: Final answer
    x = 1,671.38

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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.