Home / 2,602.20-3,591.08-1,423.32

Finding the Fourth Proportional to 2,602.20, 3,591.08 and 1,423.32

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Solution

The fourth proportional to 2,602.20, 3,591.08 and 1,423.32 is: 1,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602.20 : 3,591.08 = 1,423.32 : x
  2. Step 2: Convert to fraction form
    2,602.20/3,591.08 = 1,423.32/x
  3. Step 3: Cross multiply
    2,602.20x = 3,591.08 × 1,423.32
  4. Step 4: Simplify right side
    2,602.20x = 5,111,255.99
  5. Step 5: Solve for x
    x = 5,111,255.99/2,602.20
  6. Step 6: Final answer
    x = 1,964.21

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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.