Home / 2,980.04-4,496.75-2,860.16

Finding the Fourth Proportional to 2,980.04, 4,496.75 and 2,860.16

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Solution

The fourth proportional to 2,980.04, 4,496.75 and 2,860.16 is: 4,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.04 : 4,496.75 = 2,860.16 : x
  2. Step 2: Convert to fraction form
    2,980.04/4,496.75 = 2,860.16/x
  3. Step 3: Cross multiply
    2,980.04x = 4,496.75 × 2,860.16
  4. Step 4: Simplify right side
    2,980.04x = 12,861,424.48
  5. Step 5: Solve for x
    x = 12,861,424.48/2,980.04
  6. Step 6: Final answer
    x = 4,315.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.