Home / 1,740.15-2,402.87-1,153.31

Finding the Fourth Proportional to 1,740.15, 2,402.87 and 1,153.31

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Solution

The fourth proportional to 1,740.15, 2,402.87 and 1,153.31 is: 1,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.15 : 2,402.87 = 1,153.31 : x
  2. Step 2: Convert to fraction form
    1,740.15/2,402.87 = 1,153.31/x
  3. Step 3: Cross multiply
    1,740.15x = 2,402.87 × 1,153.31
  4. Step 4: Simplify right side
    1,740.15x = 2,771,236.22
  5. Step 5: Solve for x
    x = 2,771,236.22/1,740.15
  6. Step 6: Final answer
    x = 1,592.53

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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.