Home / 3,320.16-4,980.48-1,675.20

Finding the Fourth Proportional to 3,320.16, 4,980.48 and 1,675.20

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Solution

The fourth proportional to 3,320.16, 4,980.48 and 1,675.20 is: 2,512.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.16 : 4,980.48 = 1,675.20 : x
  2. Step 2: Convert to fraction form
    3,320.16/4,980.48 = 1,675.20/x
  3. Step 3: Cross multiply
    3,320.16x = 4,980.48 × 1,675.20
  4. Step 4: Simplify right side
    3,320.16x = 8,343,300.10
  5. Step 5: Solve for x
    x = 8,343,300.10/3,320.16
  6. Step 6: Final answer
    x = 2,512.92

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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.