Home / 2,319.59-3,479.40-588.21

Finding the Fourth Proportional to 2,319.59, 3,479.40 and 588.21

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Solution

The fourth proportional to 2,319.59, 3,479.40 and 588.21 is: 882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.59 : 3,479.40 = 588.21 : x
  2. Step 2: Convert to fraction form
    2,319.59/3,479.40 = 588.21/x
  3. Step 3: Cross multiply
    2,319.59x = 3,479.40 × 588.21
  4. Step 4: Simplify right side
    2,319.59x = 2,046,617.87
  5. Step 5: Solve for x
    x = 2,046,617.87/2,319.59
  6. Step 6: Final answer
    x = 882.32

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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.