Home / 2,082.04-3,123.44-621.02

Finding the Fourth Proportional to 2,082.04, 3,123.44 and 621.02

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Solution

The fourth proportional to 2,082.04, 3,123.44 and 621.02 is: 931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082.04 : 3,123.44 = 621.02 : x
  2. Step 2: Convert to fraction form
    2,082.04/3,123.44 = 621.02/x
  3. Step 3: Cross multiply
    2,082.04x = 3,123.44 × 621.02
  4. Step 4: Simplify right side
    2,082.04x = 1,939,718.71
  5. Step 5: Solve for x
    x = 1,939,718.71/2,082.04
  6. Step 6: Final answer
    x = 931.64

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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.