Home / 1,650.65-2,277.86-904.60

Finding the Fourth Proportional to 1,650.65, 2,277.86 and 904.60

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Solution

The fourth proportional to 1,650.65, 2,277.86 and 904.60 is: 1,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.65 : 2,277.86 = 904.60 : x
  2. Step 2: Convert to fraction form
    1,650.65/2,277.86 = 904.60/x
  3. Step 3: Cross multiply
    1,650.65x = 2,277.86 × 904.60
  4. Step 4: Simplify right side
    1,650.65x = 2,060,547.63
  5. Step 5: Solve for x
    x = 2,060,547.63/1,650.65
  6. Step 6: Final answer
    x = 1,248.33

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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.