Home / 2,020.13-2,787.96-1,124.16

Finding the Fourth Proportional to 2,020.13, 2,787.96 and 1,124.16

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Solution

The fourth proportional to 2,020.13, 2,787.96 and 1,124.16 is: 1,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.13 : 2,787.96 = 1,124.16 : x
  2. Step 2: Convert to fraction form
    2,020.13/2,787.96 = 1,124.16/x
  3. Step 3: Cross multiply
    2,020.13x = 2,787.96 × 1,124.16
  4. Step 4: Simplify right side
    2,020.13x = 3,134,113.11
  5. Step 5: Solve for x
    x = 3,134,113.11/2,020.13
  6. Step 6: Final answer
    x = 1,551.45

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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.