Home / 1,603.33-2,212.51-904.66

Finding the Fourth Proportional to 1,603.33, 2,212.51 and 904.66

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Solution

The fourth proportional to 1,603.33, 2,212.51 and 904.66 is: 1,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.33 : 2,212.51 = 904.66 : x
  2. Step 2: Convert to fraction form
    1,603.33/2,212.51 = 904.66/x
  3. Step 3: Cross multiply
    1,603.33x = 2,212.51 × 904.66
  4. Step 4: Simplify right side
    1,603.33x = 2,001,569.30
  5. Step 5: Solve for x
    x = 2,001,569.30/1,603.33
  6. Step 6: Final answer
    x = 1,248.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.