Home / 2,084.95-2,877.85-1,246.24

Finding the Fourth Proportional to 2,084.95, 2,877.85 and 1,246.24

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Solution

The fourth proportional to 2,084.95, 2,877.85 and 1,246.24 is: 1,720.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.95 : 2,877.85 = 1,246.24 : x
  2. Step 2: Convert to fraction form
    2,084.95/2,877.85 = 1,246.24/x
  3. Step 3: Cross multiply
    2,084.95x = 2,877.85 × 1,246.24
  4. Step 4: Simplify right side
    2,084.95x = 3,586,491.78
  5. Step 5: Solve for x
    x = 3,586,491.78/2,084.95
  6. Step 6: Final answer
    x = 1,720.18

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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.