Home / 2,051.53-2,829.20-1,342.58

Finding the Fourth Proportional to 2,051.53, 2,829.20 and 1,342.58

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Solution

The fourth proportional to 2,051.53, 2,829.20 and 1,342.58 is: 1,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.53 : 2,829.20 = 1,342.58 : x
  2. Step 2: Convert to fraction form
    2,051.53/2,829.20 = 1,342.58/x
  3. Step 3: Cross multiply
    2,051.53x = 2,829.20 × 1,342.58
  4. Step 4: Simplify right side
    2,051.53x = 3,798,406.48
  5. Step 5: Solve for x
    x = 3,798,406.48/2,051.53
  6. Step 6: Final answer
    x = 1,851.50

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1.5x scale

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.