Home / 1,697.02-2,541.40-1,175.55

Finding the Fourth Proportional to 1,697.02, 2,541.40 and 1,175.55

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Solution

The fourth proportional to 1,697.02, 2,541.40 and 1,175.55 is: 1,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.02 : 2,541.40 = 1,175.55 : x
  2. Step 2: Convert to fraction form
    1,697.02/2,541.40 = 1,175.55/x
  3. Step 3: Cross multiply
    1,697.02x = 2,541.40 × 1,175.55
  4. Step 4: Simplify right side
    1,697.02x = 2,987,555.05
  5. Step 5: Solve for x
    x = 2,987,555.05/1,697.02
  6. Step 6: Final answer
    x = 1,760.47

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1.5x scale

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.