Home / 3,319.28-4,970.16-2,658.12

Finding the Fourth Proportional to 3,319.28, 4,970.16 and 2,658.12

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Solution

The fourth proportional to 3,319.28, 4,970.16 and 2,658.12 is: 3,980.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.28 : 4,970.16 = 2,658.12 : x
  2. Step 2: Convert to fraction form
    3,319.28/4,970.16 = 2,658.12/x
  3. Step 3: Cross multiply
    3,319.28x = 4,970.16 × 2,658.12
  4. Step 4: Simplify right side
    3,319.28x = 13,211,263.06
  5. Step 5: Solve for x
    x = 13,211,263.06/3,319.28
  6. Step 6: Final answer
    x = 3,980.16

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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.