Home / 2,652.20-3,660.35-1,812.63

Finding the Fourth Proportional to 2,652.20, 3,660.35 and 1,812.63

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Solution

The fourth proportional to 2,652.20, 3,660.35 and 1,812.63 is: 2,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.20 : 3,660.35 = 1,812.63 : x
  2. Step 2: Convert to fraction form
    2,652.20/3,660.35 = 1,812.63/x
  3. Step 3: Cross multiply
    2,652.20x = 3,660.35 × 1,812.63
  4. Step 4: Simplify right side
    2,652.20x = 6,634,851.16
  5. Step 5: Solve for x
    x = 6,634,851.16/2,652.20
  6. Step 6: Final answer
    x = 2,501.65

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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.