Home / 2,380.22-3,285.08-2,275.10

Finding the Fourth Proportional to 2,380.22, 3,285.08 and 2,275.10

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Solution

The fourth proportional to 2,380.22, 3,285.08 and 2,275.10 is: 3,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.22 : 3,285.08 = 2,275.10 : x
  2. Step 2: Convert to fraction form
    2,380.22/3,285.08 = 2,275.10/x
  3. Step 3: Cross multiply
    2,380.22x = 3,285.08 × 2,275.10
  4. Step 4: Simplify right side
    2,380.22x = 7,473,885.51
  5. Step 5: Solve for x
    x = 7,473,885.51/2,380.22
  6. Step 6: Final answer
    x = 3,140.00

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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.