Home / 2,903.27-4,347.18-1,980.65

Finding the Fourth Proportional to 2,903.27, 4,347.18 and 1,980.65

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Solution

The fourth proportional to 2,903.27, 4,347.18 and 1,980.65 is: 2,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.27 : 4,347.18 = 1,980.65 : x
  2. Step 2: Convert to fraction form
    2,903.27/4,347.18 = 1,980.65/x
  3. Step 3: Cross multiply
    2,903.27x = 4,347.18 × 1,980.65
  4. Step 4: Simplify right side
    2,903.27x = 8,610,242.07
  5. Step 5: Solve for x
    x = 8,610,242.07/2,903.27
  6. Step 6: Final answer
    x = 2,965.70

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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.