Home / 1,835.40-2,530.80-1,246.26

Finding the Fourth Proportional to 1,835.40, 2,530.80 and 1,246.26

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Solution

The fourth proportional to 1,835.40, 2,530.80 and 1,246.26 is: 1,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.40 : 2,530.80 = 1,246.26 : x
  2. Step 2: Convert to fraction form
    1,835.40/2,530.80 = 1,246.26/x
  3. Step 3: Cross multiply
    1,835.40x = 2,530.80 × 1,246.26
  4. Step 4: Simplify right side
    1,835.40x = 3,154,034.81
  5. Step 5: Solve for x
    x = 3,154,034.81/1,835.40
  6. Step 6: Final answer
    x = 1,718.45

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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.