Home / 3,061.28-4,225.35-1,867.08

Finding the Fourth Proportional to 3,061.28, 4,225.35 and 1,867.08

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Solution

The fourth proportional to 3,061.28, 4,225.35 and 1,867.08 is: 2,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.28 : 4,225.35 = 1,867.08 : x
  2. Step 2: Convert to fraction form
    3,061.28/4,225.35 = 1,867.08/x
  3. Step 3: Cross multiply
    3,061.28x = 4,225.35 × 1,867.08
  4. Step 4: Simplify right side
    3,061.28x = 7,889,066.48
  5. Step 5: Solve for x
    x = 7,889,066.48/3,061.28
  6. Step 6: Final answer
    x = 2,577.05

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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.