Home / 3,030.28-4,543.56-1,387.33

Finding the Fourth Proportional to 3,030.28, 4,543.56 and 1,387.33

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Solution

The fourth proportional to 3,030.28, 4,543.56 and 1,387.33 is: 2,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.28 : 4,543.56 = 1,387.33 : x
  2. Step 2: Convert to fraction form
    3,030.28/4,543.56 = 1,387.33/x
  3. Step 3: Cross multiply
    3,030.28x = 4,543.56 × 1,387.33
  4. Step 4: Simplify right side
    3,030.28x = 6,303,405.74
  5. Step 5: Solve for x
    x = 6,303,405.74/3,030.28
  6. Step 6: Final answer
    x = 2,080.14

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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.