Home / 1,657.02-2,485.50-546.60

Finding the Fourth Proportional to 1,657.02, 2,485.50 and 546.60

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Solution

The fourth proportional to 1,657.02, 2,485.50 and 546.60 is: 819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.02 : 2,485.50 = 546.60 : x
  2. Step 2: Convert to fraction form
    1,657.02/2,485.50 = 546.60/x
  3. Step 3: Cross multiply
    1,657.02x = 2,485.50 × 546.60
  4. Step 4: Simplify right side
    1,657.02x = 1,358,574.30
  5. Step 5: Solve for x
    x = 1,358,574.30/1,657.02
  6. Step 6: Final answer
    x = 819.89

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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.