Home / 2,756.21-4,108.03-2,600.53

Finding the Fourth Proportional to 2,756.21, 4,108.03 and 2,600.53

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Solution

The fourth proportional to 2,756.21, 4,108.03 and 2,600.53 is: 3,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.21 : 4,108.03 = 2,600.53 : x
  2. Step 2: Convert to fraction form
    2,756.21/4,108.03 = 2,600.53/x
  3. Step 3: Cross multiply
    2,756.21x = 4,108.03 × 2,600.53
  4. Step 4: Simplify right side
    2,756.21x = 10,683,038.48
  5. Step 5: Solve for x
    x = 10,683,038.48/2,756.21
  6. Step 6: Final answer
    x = 3,876.00

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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.