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Finding the Fourth Proportional to 1,482.55, 2,045.28 and 852.94

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Solution

The fourth proportional to 1,482.55, 2,045.28 and 852.94 is: 1,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.55 : 2,045.28 = 852.94 : x
  2. Step 2: Convert to fraction form
    1,482.55/2,045.28 = 852.94/x
  3. Step 3: Cross multiply
    1,482.55x = 2,045.28 × 852.94
  4. Step 4: Simplify right side
    1,482.55x = 1,744,501.12
  5. Step 5: Solve for x
    x = 1,744,501.12/1,482.55
  6. Step 6: Final answer
    x = 1,176.69

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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.