Home / 2,672.60-4,010.28-1,030.40

Finding the Fourth Proportional to 2,672.60, 4,010.28 and 1,030.40

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Solution

The fourth proportional to 2,672.60, 4,010.28 and 1,030.40 is: 1,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.60 : 4,010.28 = 1,030.40 : x
  2. Step 2: Convert to fraction form
    2,672.60/4,010.28 = 1,030.40/x
  3. Step 3: Cross multiply
    2,672.60x = 4,010.28 × 1,030.40
  4. Step 4: Simplify right side
    2,672.60x = 4,132,192.51
  5. Step 5: Solve for x
    x = 4,132,192.51/2,672.60
  6. Step 6: Final answer
    x = 1,546.13

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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.