Home / 3,030.30-4,543.60-1,055.48

Finding the Fourth Proportional to 3,030.30, 4,543.60 and 1,055.48

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Solution

The fourth proportional to 3,030.30, 4,543.60 and 1,055.48 is: 1,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.30 : 4,543.60 = 1,055.48 : x
  2. Step 2: Convert to fraction form
    3,030.30/4,543.60 = 1,055.48/x
  3. Step 3: Cross multiply
    3,030.30x = 4,543.60 × 1,055.48
  4. Step 4: Simplify right side
    3,030.30x = 4,795,678.93
  5. Step 5: Solve for x
    x = 4,795,678.93/3,030.30
  6. Step 6: Final answer
    x = 1,582.58

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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.