Home / 2,030.18-2,801.65-1,145.97

Finding the Fourth Proportional to 2,030.18, 2,801.65 and 1,145.97

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Solution

The fourth proportional to 2,030.18, 2,801.65 and 1,145.97 is: 1,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.18 : 2,801.65 = 1,145.97 : x
  2. Step 2: Convert to fraction form
    2,030.18/2,801.65 = 1,145.97/x
  3. Step 3: Cross multiply
    2,030.18x = 2,801.65 × 1,145.97
  4. Step 4: Simplify right side
    2,030.18x = 3,210,603.99
  5. Step 5: Solve for x
    x = 3,210,603.99/2,030.18
  6. Step 6: Final answer
    x = 1,581.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.