Home / 2,931.10-4,399.08-2,624.92

Finding the Fourth Proportional to 2,931.10, 4,399.08 and 2,624.92

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Solution

The fourth proportional to 2,931.10, 4,399.08 and 2,624.92 is: 3,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.10 : 4,399.08 = 2,624.92 : x
  2. Step 2: Convert to fraction form
    2,931.10/4,399.08 = 2,624.92/x
  3. Step 3: Cross multiply
    2,931.10x = 4,399.08 × 2,624.92
  4. Step 4: Simplify right side
    2,931.10x = 11,547,233.07
  5. Step 5: Solve for x
    x = 11,547,233.07/2,931.10
  6. Step 6: Final answer
    x = 3,939.56

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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.