Home / 3,030.63-4,545.95-1,300.47

Finding the Fourth Proportional to 3,030.63, 4,545.95 and 1,300.47

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Solution

The fourth proportional to 3,030.63, 4,545.95 and 1,300.47 is: 1,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.63 : 4,545.95 = 1,300.47 : x
  2. Step 2: Convert to fraction form
    3,030.63/4,545.95 = 1,300.47/x
  3. Step 3: Cross multiply
    3,030.63x = 4,545.95 × 1,300.47
  4. Step 4: Simplify right side
    3,030.63x = 5,911,865.09
  5. Step 5: Solve for x
    x = 5,911,865.09/3,030.63
  6. Step 6: Final answer
    x = 1,950.71

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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.