Home / 1,688.09-2,526.89-1,544.54

Finding the Fourth Proportional to 1,688.09, 2,526.89 and 1,544.54

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Solution

The fourth proportional to 1,688.09, 2,526.89 and 1,544.54 is: 2,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.09 : 2,526.89 = 1,544.54 : x
  2. Step 2: Convert to fraction form
    1,688.09/2,526.89 = 1,544.54/x
  3. Step 3: Cross multiply
    1,688.09x = 2,526.89 × 1,544.54
  4. Step 4: Simplify right side
    1,688.09x = 3,902,862.32
  5. Step 5: Solve for x
    x = 3,902,862.32/1,688.09
  6. Step 6: Final answer
    x = 2,312.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.