Home / 2,575.10-3,876.70-1,758.54

Finding the Fourth Proportional to 2,575.10, 3,876.70 and 1,758.54

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Solution

The fourth proportional to 2,575.10, 3,876.70 and 1,758.54 is: 2,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.10 : 3,876.70 = 1,758.54 : x
  2. Step 2: Convert to fraction form
    2,575.10/3,876.70 = 1,758.54/x
  3. Step 3: Cross multiply
    2,575.10x = 3,876.70 × 1,758.54
  4. Step 4: Simplify right side
    2,575.10x = 6,817,332.02
  5. Step 5: Solve for x
    x = 6,817,332.02/2,575.10
  6. Step 6: Final answer
    x = 2,647.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.