Home / 2,946.67-4,064.71-1,840.75

Finding the Fourth Proportional to 2,946.67, 4,064.71 and 1,840.75

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Solution

The fourth proportional to 2,946.67, 4,064.71 and 1,840.75 is: 2,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.67 : 4,064.71 = 1,840.75 : x
  2. Step 2: Convert to fraction form
    2,946.67/4,064.71 = 1,840.75/x
  3. Step 3: Cross multiply
    2,946.67x = 4,064.71 × 1,840.75
  4. Step 4: Simplify right side
    2,946.67x = 7,482,114.93
  5. Step 5: Solve for x
    x = 7,482,114.93/2,946.67
  6. Step 6: Final answer
    x = 2,539.18

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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.