Home / 2,079.46-2,870.40-1,783.54

Finding the Fourth Proportional to 2,079.46, 2,870.40 and 1,783.54

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Solution

The fourth proportional to 2,079.46, 2,870.40 and 1,783.54 is: 2,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.46 : 2,870.40 = 1,783.54 : x
  2. Step 2: Convert to fraction form
    2,079.46/2,870.40 = 1,783.54/x
  3. Step 3: Cross multiply
    2,079.46x = 2,870.40 × 1,783.54
  4. Step 4: Simplify right side
    2,079.46x = 5,119,473.22
  5. Step 5: Solve for x
    x = 5,119,473.22/2,079.46
  6. Step 6: Final answer
    x = 2,461.92

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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.