Home / 1,848.89-2,551.47-1,009.60

Finding the Fourth Proportional to 1,848.89, 2,551.47 and 1,009.60

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Solution

The fourth proportional to 1,848.89, 2,551.47 and 1,009.60 is: 1,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.89 : 2,551.47 = 1,009.60 : x
  2. Step 2: Convert to fraction form
    1,848.89/2,551.47 = 1,009.60/x
  3. Step 3: Cross multiply
    1,848.89x = 2,551.47 × 1,009.60
  4. Step 4: Simplify right side
    1,848.89x = 2,575,955.21
  5. Step 5: Solve for x
    x = 2,575,955.21/1,848.89
  6. Step 6: Final answer
    x = 1,393.25

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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.