Home / 1,685.30-2,527.10-1,068.54

Finding the Fourth Proportional to 1,685.30, 2,527.10 and 1,068.54

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Solution

The fourth proportional to 1,685.30, 2,527.10 and 1,068.54 is: 1,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685.30 : 2,527.10 = 1,068.54 : x
  2. Step 2: Convert to fraction form
    1,685.30/2,527.10 = 1,068.54/x
  3. Step 3: Cross multiply
    1,685.30x = 2,527.10 × 1,068.54
  4. Step 4: Simplify right side
    1,685.30x = 2,700,307.43
  5. Step 5: Solve for x
    x = 2,700,307.43/1,685.30
  6. Step 6: Final answer
    x = 1,602.27

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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.