Home / 1,312.08-1,968.14-1,050.86

Finding the Fourth Proportional to 1,312.08, 1,968.14 and 1,050.86

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Solution

The fourth proportional to 1,312.08, 1,968.14 and 1,050.86 is: 1,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312.08 : 1,968.14 = 1,050.86 : x
  2. Step 2: Convert to fraction form
    1,312.08/1,968.14 = 1,050.86/x
  3. Step 3: Cross multiply
    1,312.08x = 1,968.14 × 1,050.86
  4. Step 4: Simplify right side
    1,312.08x = 2,068,239.60
  5. Step 5: Solve for x
    x = 2,068,239.60/1,312.08
  6. Step 6: Final answer
    x = 1,576.31

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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.