Home / 3,315.64-4,573.76-2,102.10

Finding the Fourth Proportional to 3,315.64, 4,573.76 and 2,102.10

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Solution

The fourth proportional to 3,315.64, 4,573.76 and 2,102.10 is: 2,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.64 : 4,573.76 = 2,102.10 : x
  2. Step 2: Convert to fraction form
    3,315.64/4,573.76 = 2,102.10/x
  3. Step 3: Cross multiply
    3,315.64x = 4,573.76 × 2,102.10
  4. Step 4: Simplify right side
    3,315.64x = 9,614,500.90
  5. Step 5: Solve for x
    x = 9,614,500.90/3,315.64
  6. Step 6: Final answer
    x = 2,899.74

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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.