Home / 1,855.52-2,561.76-1,157.84

Finding the Fourth Proportional to 1,855.52, 2,561.76 and 1,157.84

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Solution

The fourth proportional to 1,855.52, 2,561.76 and 1,157.84 is: 1,598.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.52 : 2,561.76 = 1,157.84 : x
  2. Step 2: Convert to fraction form
    1,855.52/2,561.76 = 1,157.84/x
  3. Step 3: Cross multiply
    1,855.52x = 2,561.76 × 1,157.84
  4. Step 4: Simplify right side
    1,855.52x = 2,966,108.20
  5. Step 5: Solve for x
    x = 2,966,108.20/1,855.52
  6. Step 6: Final answer
    x = 1,598.53

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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.