Home / 1,688.44-2,531.53-701.00

Finding the Fourth Proportional to 1,688.44, 2,531.53 and 701.00

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Solution

The fourth proportional to 1,688.44, 2,531.53 and 701.00 is: 1,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.44 : 2,531.53 = 701.00 : x
  2. Step 2: Convert to fraction form
    1,688.44/2,531.53 = 701.00/x
  3. Step 3: Cross multiply
    1,688.44x = 2,531.53 × 701.00
  4. Step 4: Simplify right side
    1,688.44x = 1,774,590.75
  5. Step 5: Solve for x
    x = 1,774,590.75/1,688.44
  6. Step 6: Final answer
    x = 1,051.03

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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.