Home / 1,877.94-2,586.60-1,690.92

Finding the Fourth Proportional to 1,877.94, 2,586.60 and 1,690.92

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Solution

The fourth proportional to 1,877.94, 2,586.60 and 1,690.92 is: 2,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877.94 : 2,586.60 = 1,690.92 : x
  2. Step 2: Convert to fraction form
    1,877.94/2,586.60 = 1,690.92/x
  3. Step 3: Cross multiply
    1,877.94x = 2,586.60 × 1,690.92
  4. Step 4: Simplify right side
    1,877.94x = 4,373,733.67
  5. Step 5: Solve for x
    x = 4,373,733.67/1,877.94
  6. Step 6: Final answer
    x = 2,329.01

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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.