Home / 2,281.19-3,421.80-1,506.15

Finding the Fourth Proportional to 2,281.19, 3,421.80 and 1,506.15

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Solution

The fourth proportional to 2,281.19, 3,421.80 and 1,506.15 is: 2,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.19 : 3,421.80 = 1,506.15 : x
  2. Step 2: Convert to fraction form
    2,281.19/3,421.80 = 1,506.15/x
  3. Step 3: Cross multiply
    2,281.19x = 3,421.80 × 1,506.15
  4. Step 4: Simplify right side
    2,281.19x = 5,153,744.07
  5. Step 5: Solve for x
    x = 5,153,744.07/2,281.19
  6. Step 6: Final answer
    x = 2,259.24

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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.