Home / 2,148.75-2,963.66-1,486.71

Finding the Fourth Proportional to 2,148.75, 2,963.66 and 1,486.71

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Solution

The fourth proportional to 2,148.75, 2,963.66 and 1,486.71 is: 2,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.75 : 2,963.66 = 1,486.71 : x
  2. Step 2: Convert to fraction form
    2,148.75/2,963.66 = 1,486.71/x
  3. Step 3: Cross multiply
    2,148.75x = 2,963.66 × 1,486.71
  4. Step 4: Simplify right side
    2,148.75x = 4,406,095.53
  5. Step 5: Solve for x
    x = 4,406,095.53/2,148.75
  6. Step 6: Final answer
    x = 2,050.54

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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.