Home / 1,685.04-2,528.16-760.52

Finding the Fourth Proportional to 1,685.04, 2,528.16 and 760.52

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Solution

The fourth proportional to 1,685.04, 2,528.16 and 760.52 is: 1,141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.04 : 2,528.16 = 760.52 : x
  2. Step 2: Convert to fraction form
    1,685.04/2,528.16 = 760.52/x
  3. Step 3: Cross multiply
    1,685.04x = 2,528.16 × 760.52
  4. Step 4: Simplify right side
    1,685.04x = 1,922,716.24
  5. Step 5: Solve for x
    x = 1,922,716.24/1,685.04
  6. Step 6: Final answer
    x = 1,141.05

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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.