Home / 2,555.40-3,526.49-1,560.54

Finding the Fourth Proportional to 2,555.40, 3,526.49 and 1,560.54

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Solution

The fourth proportional to 2,555.40, 3,526.49 and 1,560.54 is: 2,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.40 : 3,526.49 = 1,560.54 : x
  2. Step 2: Convert to fraction form
    2,555.40/3,526.49 = 1,560.54/x
  3. Step 3: Cross multiply
    2,555.40x = 3,526.49 × 1,560.54
  4. Step 4: Simplify right side
    2,555.40x = 5,503,220.90
  5. Step 5: Solve for x
    x = 5,503,220.90/2,555.40
  6. Step 6: Final answer
    x = 2,153.57

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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.