Home / 1,859.85-2,560.89-1,818.84

Finding the Fourth Proportional to 1,859.85, 2,560.89 and 1,818.84

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Solution

The fourth proportional to 1,859.85, 2,560.89 and 1,818.84 is: 2,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.85 : 2,560.89 = 1,818.84 : x
  2. Step 2: Convert to fraction form
    1,859.85/2,560.89 = 1,818.84/x
  3. Step 3: Cross multiply
    1,859.85x = 2,560.89 × 1,818.84
  4. Step 4: Simplify right side
    1,859.85x = 4,657,849.17
  5. Step 5: Solve for x
    x = 4,657,849.17/1,859.85
  6. Step 6: Final answer
    x = 2,504.42

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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.