Home / 2,877.18-4,315.77-1,903.08

Finding the Fourth Proportional to 2,877.18, 4,315.77 and 1,903.08

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Solution

The fourth proportional to 2,877.18, 4,315.77 and 1,903.08 is: 2,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.18 : 4,315.77 = 1,903.08 : x
  2. Step 2: Convert to fraction form
    2,877.18/4,315.77 = 1,903.08/x
  3. Step 3: Cross multiply
    2,877.18x = 4,315.77 × 1,903.08
  4. Step 4: Simplify right side
    2,877.18x = 8,213,255.57
  5. Step 5: Solve for x
    x = 8,213,255.57/2,877.18
  6. Step 6: Final answer
    x = 2,854.62

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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.