Home / 2,621.10-3,617.01-1,675.56

Finding the Fourth Proportional to 2,621.10, 3,617.01 and 1,675.56

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Solution

The fourth proportional to 2,621.10, 3,617.01 and 1,675.56 is: 2,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.10 : 3,617.01 = 1,675.56 : x
  2. Step 2: Convert to fraction form
    2,621.10/3,617.01 = 1,675.56/x
  3. Step 3: Cross multiply
    2,621.10x = 3,617.01 × 1,675.56
  4. Step 4: Simplify right side
    2,621.10x = 6,060,517.28
  5. Step 5: Solve for x
    x = 6,060,517.28/2,621.10
  6. Step 6: Final answer
    x = 2,312.20

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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.