Home / 1,854.90-2,766.47-1,716.66

Finding the Fourth Proportional to 1,854.90, 2,766.47 and 1,716.66

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Solution

The fourth proportional to 1,854.90, 2,766.47 and 1,716.66 is: 2,560.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.90 : 2,766.47 = 1,716.66 : x
  2. Step 2: Convert to fraction form
    1,854.90/2,766.47 = 1,716.66/x
  3. Step 3: Cross multiply
    1,854.90x = 2,766.47 × 1,716.66
  4. Step 4: Simplify right side
    1,854.90x = 4,749,079.81
  5. Step 5: Solve for x
    x = 4,749,079.81/1,854.90
  6. Step 6: Final answer
    x = 2,560.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.