Home / 1,851.50-2,777.28-535.27

Finding the Fourth Proportional to 1,851.50, 2,777.28 and 535.27

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Solution

The fourth proportional to 1,851.50, 2,777.28 and 535.27 is: 802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.50 : 2,777.28 = 535.27 : x
  2. Step 2: Convert to fraction form
    1,851.50/2,777.28 = 535.27/x
  3. Step 3: Cross multiply
    1,851.50x = 2,777.28 × 535.27
  4. Step 4: Simplify right side
    1,851.50x = 1,486,594.67
  5. Step 5: Solve for x
    x = 1,486,594.67/1,851.50
  6. Step 6: Final answer
    x = 802.91

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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.