Home / 3,172.02-4,758.07-1,417.12

Finding the Fourth Proportional to 3,172.02, 4,758.07 and 1,417.12

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Solution

The fourth proportional to 3,172.02, 4,758.07 and 1,417.12 is: 2,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.02 : 4,758.07 = 1,417.12 : x
  2. Step 2: Convert to fraction form
    3,172.02/4,758.07 = 1,417.12/x
  3. Step 3: Cross multiply
    3,172.02x = 4,758.07 × 1,417.12
  4. Step 4: Simplify right side
    3,172.02x = 6,742,740.72
  5. Step 5: Solve for x
    x = 6,742,740.72/3,172.02
  6. Step 6: Final answer
    x = 2,125.69

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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.