Home / 3,077.16-4,247.20-1,751.56

Finding the Fourth Proportional to 3,077.16, 4,247.20 and 1,751.56

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Solution

The fourth proportional to 3,077.16, 4,247.20 and 1,751.56 is: 2,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.16 : 4,247.20 = 1,751.56 : x
  2. Step 2: Convert to fraction form
    3,077.16/4,247.20 = 1,751.56/x
  3. Step 3: Cross multiply
    3,077.16x = 4,247.20 × 1,751.56
  4. Step 4: Simplify right side
    3,077.16x = 7,439,225.63
  5. Step 5: Solve for x
    x = 7,439,225.63/3,077.16
  6. Step 6: Final answer
    x = 2,417.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.