Home / 1,688.10-2,526.90-1,544.55

Finding the Fourth Proportional to 1,688.10, 2,526.90 and 1,544.55

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Solution

The fourth proportional to 1,688.10, 2,526.90 and 1,544.55 is: 2,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.10 : 2,526.90 = 1,544.55 : x
  2. Step 2: Convert to fraction form
    1,688.10/2,526.90 = 1,544.55/x
  3. Step 3: Cross multiply
    1,688.10x = 2,526.90 × 1,544.55
  4. Step 4: Simplify right side
    1,688.10x = 3,902,923.40
  5. Step 5: Solve for x
    x = 3,902,923.40/1,688.10
  6. Step 6: Final answer
    x = 2,312.02

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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.