Home / 1,830.66-2,530.47-1,685.35

Finding the Fourth Proportional to 1,830.66, 2,530.47 and 1,685.35

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Solution

The fourth proportional to 1,830.66, 2,530.47 and 1,685.35 is: 2,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.66 : 2,530.47 = 1,685.35 : x
  2. Step 2: Convert to fraction form
    1,830.66/2,530.47 = 1,685.35/x
  3. Step 3: Cross multiply
    1,830.66x = 2,530.47 × 1,685.35
  4. Step 4: Simplify right side
    1,830.66x = 4,264,717.07
  5. Step 5: Solve for x
    x = 4,264,717.07/1,830.66
  6. Step 6: Final answer
    x = 2,329.60

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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.