Home / 1,938.16-2,674.18-1,152.08

Finding the Fourth Proportional to 1,938.16, 2,674.18 and 1,152.08

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Solution

The fourth proportional to 1,938.16, 2,674.18 and 1,152.08 is: 1,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.16 : 2,674.18 = 1,152.08 : x
  2. Step 2: Convert to fraction form
    1,938.16/2,674.18 = 1,152.08/x
  3. Step 3: Cross multiply
    1,938.16x = 2,674.18 × 1,152.08
  4. Step 4: Simplify right side
    1,938.16x = 3,080,869.29
  5. Step 5: Solve for x
    x = 3,080,869.29/1,938.16
  6. Step 6: Final answer
    x = 1,589.58

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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.