Home / 1,346.19-2,017.65-575.07

Finding the Fourth Proportional to 1,346.19, 2,017.65 and 575.07

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Solution

The fourth proportional to 1,346.19, 2,017.65 and 575.07 is: 861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.19 : 2,017.65 = 575.07 : x
  2. Step 2: Convert to fraction form
    1,346.19/2,017.65 = 575.07/x
  3. Step 3: Cross multiply
    1,346.19x = 2,017.65 × 575.07
  4. Step 4: Simplify right side
    1,346.19x = 1,160,289.99
  5. Step 5: Solve for x
    x = 1,160,289.99/1,346.19
  6. Step 6: Final answer
    x = 861.91

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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.