Home / 1,810.59-2,498.89-1,313.04

Finding the Fourth Proportional to 1,810.59, 2,498.89 and 1,313.04

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Solution

The fourth proportional to 1,810.59, 2,498.89 and 1,313.04 is: 1,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.59 : 2,498.89 = 1,313.04 : x
  2. Step 2: Convert to fraction form
    1,810.59/2,498.89 = 1,313.04/x
  3. Step 3: Cross multiply
    1,810.59x = 2,498.89 × 1,313.04
  4. Step 4: Simplify right side
    1,810.59x = 3,281,142.53
  5. Step 5: Solve for x
    x = 3,281,142.53/1,810.59
  6. Step 6: Final answer
    x = 1,812.20

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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.