Home / 2,421.59-3,341.28-1,583.53

Finding the Fourth Proportional to 2,421.59, 3,341.28 and 1,583.53

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Solution

The fourth proportional to 2,421.59, 3,341.28 and 1,583.53 is: 2,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.59 : 3,341.28 = 1,583.53 : x
  2. Step 2: Convert to fraction form
    2,421.59/3,341.28 = 1,583.53/x
  3. Step 3: Cross multiply
    2,421.59x = 3,341.28 × 1,583.53
  4. Step 4: Simplify right side
    2,421.59x = 5,291,005.80
  5. Step 5: Solve for x
    x = 5,291,005.80/2,421.59
  6. Step 6: Final answer
    x = 2,184.93

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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.