Home / 3,503.02-4,840.60-2,557.20

Finding the Fourth Proportional to 3,503.02, 4,840.60 and 2,557.20

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Solution

The fourth proportional to 3,503.02, 4,840.60 and 2,557.20 is: 3,533.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.02 : 4,840.60 = 2,557.20 : x
  2. Step 2: Convert to fraction form
    3,503.02/4,840.60 = 2,557.20/x
  3. Step 3: Cross multiply
    3,503.02x = 4,840.60 × 2,557.20
  4. Step 4: Simplify right side
    3,503.02x = 12,378,382.32
  5. Step 5: Solve for x
    x = 12,378,382.32/3,503.02
  6. Step 6: Final answer
    x = 3,533.63

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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.