Home / 4,172.02-6,255.75-1,708.57

Finding the Fourth Proportional to 4,172.02, 6,255.75 and 1,708.57

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Solution

The fourth proportional to 4,172.02, 6,255.75 and 1,708.57 is: 2,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.02 : 6,255.75 = 1,708.57 : x
  2. Step 2: Convert to fraction form
    4,172.02/6,255.75 = 1,708.57/x
  3. Step 3: Cross multiply
    4,172.02x = 6,255.75 × 1,708.57
  4. Step 4: Simplify right side
    4,172.02x = 10,688,386.78
  5. Step 5: Solve for x
    x = 10,688,386.78/4,172.02
  6. Step 6: Final answer
    x = 2,561.92

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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.