Home / 3,230.02-4,457.65-2,169.56

Finding the Fourth Proportional to 3,230.02, 4,457.65 and 2,169.56

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Solution

The fourth proportional to 3,230.02, 4,457.65 and 2,169.56 is: 2,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.02 : 4,457.65 = 2,169.56 : x
  2. Step 2: Convert to fraction form
    3,230.02/4,457.65 = 2,169.56/x
  3. Step 3: Cross multiply
    3,230.02x = 4,457.65 × 2,169.56
  4. Step 4: Simplify right side
    3,230.02x = 9,671,111.42
  5. Step 5: Solve for x
    x = 9,671,111.42/3,230.02
  6. Step 6: Final answer
    x = 2,994.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.