Home / 1,750.60-2,415.43-1,042.68

Finding the Fourth Proportional to 1,750.60, 2,415.43 and 1,042.68

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Solution

The fourth proportional to 1,750.60, 2,415.43 and 1,042.68 is: 1,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750.60 : 2,415.43 = 1,042.68 : x
  2. Step 2: Convert to fraction form
    1,750.60/2,415.43 = 1,042.68/x
  3. Step 3: Cross multiply
    1,750.60x = 2,415.43 × 1,042.68
  4. Step 4: Simplify right side
    1,750.60x = 2,518,520.55
  5. Step 5: Solve for x
    x = 2,518,520.55/1,750.60
  6. Step 6: Final answer
    x = 1,438.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.