Home / 1,659.24-2,488.90-563.40

Finding the Fourth Proportional to 1,659.24, 2,488.90 and 563.40

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Solution

The fourth proportional to 1,659.24, 2,488.90 and 563.40 is: 845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.24 : 2,488.90 = 563.40 : x
  2. Step 2: Convert to fraction form
    1,659.24/2,488.90 = 563.40/x
  3. Step 3: Cross multiply
    1,659.24x = 2,488.90 × 563.40
  4. Step 4: Simplify right side
    1,659.24x = 1,402,246.26
  5. Step 5: Solve for x
    x = 1,402,246.26/1,659.24
  6. Step 6: Final answer
    x = 845.11

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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.