Home / 3,577.34-5,366.02-1,386.30

Finding the Fourth Proportional to 3,577.34, 5,366.02 and 1,386.30

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Solution

The fourth proportional to 3,577.34, 5,366.02 and 1,386.30 is: 2,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.34 : 5,366.02 = 1,386.30 : x
  2. Step 2: Convert to fraction form
    3,577.34/5,366.02 = 1,386.30/x
  3. Step 3: Cross multiply
    3,577.34x = 5,366.02 × 1,386.30
  4. Step 4: Simplify right side
    3,577.34x = 7,438,913.53
  5. Step 5: Solve for x
    x = 7,438,913.53/3,577.34
  6. Step 6: Final answer
    x = 2,079.45

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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.