Home / 2,587.56-3,881.70-944.88

Finding the Fourth Proportional to 2,587.56, 3,881.70 and 944.88

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Solution

The fourth proportional to 2,587.56, 3,881.70 and 944.88 is: 1,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.56 : 3,881.70 = 944.88 : x
  2. Step 2: Convert to fraction form
    2,587.56/3,881.70 = 944.88/x
  3. Step 3: Cross multiply
    2,587.56x = 3,881.70 × 944.88
  4. Step 4: Simplify right side
    2,587.56x = 3,667,740.70
  5. Step 5: Solve for x
    x = 3,667,740.70/2,587.56
  6. Step 6: Final answer
    x = 1,417.45

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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.