Home / 3,442.60-5,160.29-1,685.18

Finding the Fourth Proportional to 3,442.60, 5,160.29 and 1,685.18

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Solution

The fourth proportional to 3,442.60, 5,160.29 and 1,685.18 is: 2,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.60 : 5,160.29 = 1,685.18 : x
  2. Step 2: Convert to fraction form
    3,442.60/5,160.29 = 1,685.18/x
  3. Step 3: Cross multiply
    3,442.60x = 5,160.29 × 1,685.18
  4. Step 4: Simplify right side
    3,442.60x = 8,696,017.50
  5. Step 5: Solve for x
    x = 8,696,017.50/3,442.60
  6. Step 6: Final answer
    x = 2,526.00

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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.