Home / 2,877.32-4,316.14-929.68

Finding the Fourth Proportional to 2,877.32, 4,316.14 and 929.68

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Solution

The fourth proportional to 2,877.32, 4,316.14 and 929.68 is: 1,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.32 : 4,316.14 = 929.68 : x
  2. Step 2: Convert to fraction form
    2,877.32/4,316.14 = 929.68/x
  3. Step 3: Cross multiply
    2,877.32x = 4,316.14 × 929.68
  4. Step 4: Simplify right side
    2,877.32x = 4,012,614.18
  5. Step 5: Solve for x
    x = 4,012,614.18/2,877.32
  6. Step 6: Final answer
    x = 1,394.57

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1.5x scale

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.