Home / 1,667.56-2,501.40-571.96

Finding the Fourth Proportional to 1,667.56, 2,501.40 and 571.96

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Solution

The fourth proportional to 1,667.56, 2,501.40 and 571.96 is: 857.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667.56 : 2,501.40 = 571.96 : x
  2. Step 2: Convert to fraction form
    1,667.56/2,501.40 = 571.96/x
  3. Step 3: Cross multiply
    1,667.56x = 2,501.40 × 571.96
  4. Step 4: Simplify right side
    1,667.56x = 1,430,700.74
  5. Step 5: Solve for x
    x = 1,430,700.74/1,667.56
  6. Step 6: Final answer
    x = 857.96

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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.