Home / 4,155.74-6,228.65-1,931.57

Finding the Fourth Proportional to 4,155.74, 6,228.65 and 1,931.57

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Solution

The fourth proportional to 4,155.74, 6,228.65 and 1,931.57 is: 2,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.74 : 6,228.65 = 1,931.57 : x
  2. Step 2: Convert to fraction form
    4,155.74/6,228.65 = 1,931.57/x
  3. Step 3: Cross multiply
    4,155.74x = 6,228.65 × 1,931.57
  4. Step 4: Simplify right side
    4,155.74x = 12,031,047.57
  5. Step 5: Solve for x
    x = 12,031,047.57/4,155.74
  6. Step 6: Final answer
    x = 2,895.04

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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.