Home / 2,890.29-4,335.63-1,246.92

Finding the Fourth Proportional to 2,890.29, 4,335.63 and 1,246.92

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Solution

The fourth proportional to 2,890.29, 4,335.63 and 1,246.92 is: 1,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.29 : 4,335.63 = 1,246.92 : x
  2. Step 2: Convert to fraction form
    2,890.29/4,335.63 = 1,246.92/x
  3. Step 3: Cross multiply
    2,890.29x = 4,335.63 × 1,246.92
  4. Step 4: Simplify right side
    2,890.29x = 5,406,183.76
  5. Step 5: Solve for x
    x = 5,406,183.76/2,890.29
  6. Step 6: Final answer
    x = 1,870.46

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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.