Home / 1,370.38-2,051.93-1,070.91

Finding the Fourth Proportional to 1,370.38, 2,051.93 and 1,070.91

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Solution

The fourth proportional to 1,370.38, 2,051.93 and 1,070.91 is: 1,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370.38 : 2,051.93 = 1,070.91 : x
  2. Step 2: Convert to fraction form
    1,370.38/2,051.93 = 1,070.91/x
  3. Step 3: Cross multiply
    1,370.38x = 2,051.93 × 1,070.91
  4. Step 4: Simplify right side
    1,370.38x = 2,197,432.36
  5. Step 5: Solve for x
    x = 2,197,432.36/1,370.38
  6. Step 6: Final answer
    x = 1,603.52

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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.