Home / 2,877.04-4,315.29-929.26

Finding the Fourth Proportional to 2,877.04, 4,315.29 and 929.26

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Solution

The fourth proportional to 2,877.04, 4,315.29 and 929.26 is: 1,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.04 : 4,315.29 = 929.26 : x
  2. Step 2: Convert to fraction form
    2,877.04/4,315.29 = 929.26/x
  3. Step 3: Cross multiply
    2,877.04x = 4,315.29 × 929.26
  4. Step 4: Simplify right side
    2,877.04x = 4,010,026.39
  5. Step 5: Solve for x
    x = 4,010,026.39/2,877.04
  6. Step 6: Final answer
    x = 1,393.80

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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.