Home / 1,605.05-2,407.58-1,030.49

Finding the Fourth Proportional to 1,605.05, 2,407.58 and 1,030.49

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Solution

The fourth proportional to 1,605.05, 2,407.58 and 1,030.49 is: 1,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.05 : 2,407.58 = 1,030.49 : x
  2. Step 2: Convert to fraction form
    1,605.05/2,407.58 = 1,030.49/x
  3. Step 3: Cross multiply
    1,605.05x = 2,407.58 × 1,030.49
  4. Step 4: Simplify right side
    1,605.05x = 2,480,981.96
  5. Step 5: Solve for x
    x = 2,480,981.96/1,605.05
  6. Step 6: Final answer
    x = 1,545.74

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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.