Home / 1,953.40-2,697.42-1,860.04

Finding the Fourth Proportional to 1,953.40, 2,697.42 and 1,860.04

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Solution

The fourth proportional to 1,953.40, 2,697.42 and 1,860.04 is: 2,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.40 : 2,697.42 = 1,860.04 : x
  2. Step 2: Convert to fraction form
    1,953.40/2,697.42 = 1,860.04/x
  3. Step 3: Cross multiply
    1,953.40x = 2,697.42 × 1,860.04
  4. Step 4: Simplify right side
    1,953.40x = 5,017,309.10
  5. Step 5: Solve for x
    x = 5,017,309.10/1,953.40
  6. Step 6: Final answer
    x = 2,568.50

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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.