Home / 3,110.02-4,656.80-1,875.76

Finding the Fourth Proportional to 3,110.02, 4,656.80 and 1,875.76

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Solution

The fourth proportional to 3,110.02, 4,656.80 and 1,875.76 is: 2,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.02 : 4,656.80 = 1,875.76 : x
  2. Step 2: Convert to fraction form
    3,110.02/4,656.80 = 1,875.76/x
  3. Step 3: Cross multiply
    3,110.02x = 4,656.80 × 1,875.76
  4. Step 4: Simplify right side
    3,110.02x = 8,735,039.17
  5. Step 5: Solve for x
    x = 8,735,039.17/3,110.02
  6. Step 6: Final answer
    x = 2,808.68

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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.