Home / 2,985.62-4,476.89-1,340.76

Finding the Fourth Proportional to 2,985.62, 4,476.89 and 1,340.76

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Solution

The fourth proportional to 2,985.62, 4,476.89 and 1,340.76 is: 2,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.62 : 4,476.89 = 1,340.76 : x
  2. Step 2: Convert to fraction form
    2,985.62/4,476.89 = 1,340.76/x
  3. Step 3: Cross multiply
    2,985.62x = 4,476.89 × 1,340.76
  4. Step 4: Simplify right side
    2,985.62x = 6,002,435.04
  5. Step 5: Solve for x
    x = 6,002,435.04/2,985.62
  6. Step 6: Final answer
    x = 2,010.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.