Home / 1,164.24-1,754.94-1,045.20

Finding the Fourth Proportional to 1,164.24, 1,754.94 and 1,045.20

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Solution

The fourth proportional to 1,164.24, 1,754.94 and 1,045.20 is: 1,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.24 : 1,754.94 = 1,045.20 : x
  2. Step 2: Convert to fraction form
    1,164.24/1,754.94 = 1,045.20/x
  3. Step 3: Cross multiply
    1,164.24x = 1,754.94 × 1,045.20
  4. Step 4: Simplify right side
    1,164.24x = 1,834,263.29
  5. Step 5: Solve for x
    x = 1,834,263.29/1,164.24
  6. Step 6: Final answer
    x = 1,575.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.