Home / 2,021.90-3,032.51-561.06

Finding the Fourth Proportional to 2,021.90, 3,032.51 and 561.06

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Solution

The fourth proportional to 2,021.90, 3,032.51 and 561.06 is: 841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.90 : 3,032.51 = 561.06 : x
  2. Step 2: Convert to fraction form
    2,021.90/3,032.51 = 561.06/x
  3. Step 3: Cross multiply
    2,021.90x = 3,032.51 × 561.06
  4. Step 4: Simplify right side
    2,021.90x = 1,701,417.26
  5. Step 5: Solve for x
    x = 1,701,417.26/2,021.90
  6. Step 6: Final answer
    x = 841.50

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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.