Home / 1,335.18-2,001.93-605.10

Finding the Fourth Proportional to 1,335.18, 2,001.93 and 605.10

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Solution

The fourth proportional to 1,335.18, 2,001.93 and 605.10 is: 907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.18 : 2,001.93 = 605.10 : x
  2. Step 2: Convert to fraction form
    1,335.18/2,001.93 = 605.10/x
  3. Step 3: Cross multiply
    1,335.18x = 2,001.93 × 605.10
  4. Step 4: Simplify right side
    1,335.18x = 1,211,367.84
  5. Step 5: Solve for x
    x = 1,211,367.84/1,335.18
  6. Step 6: Final answer
    x = 907.27

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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.