Home / 2,876.50-3,967.95-1,881.55

Finding the Fourth Proportional to 2,876.50, 3,967.95 and 1,881.55

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Solution

The fourth proportional to 2,876.50, 3,967.95 and 1,881.55 is: 2,595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.50 : 3,967.95 = 1,881.55 : x
  2. Step 2: Convert to fraction form
    2,876.50/3,967.95 = 1,881.55/x
  3. Step 3: Cross multiply
    2,876.50x = 3,967.95 × 1,881.55
  4. Step 4: Simplify right side
    2,876.50x = 7,465,896.32
  5. Step 5: Solve for x
    x = 7,465,896.32/2,876.50
  6. Step 6: Final answer
    x = 2,595.48

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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.