Home / 1,319.38-1,977.84-588.56

Finding the Fourth Proportional to 1,319.38, 1,977.84 and 588.56

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Solution

The fourth proportional to 1,319.38, 1,977.84 and 588.56 is: 882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319.38 : 1,977.84 = 588.56 : x
  2. Step 2: Convert to fraction form
    1,319.38/1,977.84 = 588.56/x
  3. Step 3: Cross multiply
    1,319.38x = 1,977.84 × 588.56
  4. Step 4: Simplify right side
    1,319.38x = 1,164,077.51
  5. Step 5: Solve for x
    x = 1,164,077.51/1,319.38
  6. Step 6: Final answer
    x = 882.29

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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.