Home / 2,877.10-4,316.40-929.35

Finding the Fourth Proportional to 2,877.10, 4,316.40 and 929.35

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Solution

The fourth proportional to 2,877.10, 4,316.40 and 929.35 is: 1,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.10 : 4,316.40 = 929.35 : x
  2. Step 2: Convert to fraction form
    2,877.10/4,316.40 = 929.35/x
  3. Step 3: Cross multiply
    2,877.10x = 4,316.40 × 929.35
  4. Step 4: Simplify right side
    2,877.10x = 4,011,446.34
  5. Step 5: Solve for x
    x = 4,011,446.34/2,877.10
  6. Step 6: Final answer
    x = 1,394.27

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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.