Home / 2,030.06-2,798.60-1,440.38

Finding the Fourth Proportional to 2,030.06, 2,798.60 and 1,440.38

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Solution

The fourth proportional to 2,030.06, 2,798.60 and 1,440.38 is: 1,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.06 : 2,798.60 = 1,440.38 : x
  2. Step 2: Convert to fraction form
    2,030.06/2,798.60 = 1,440.38/x
  3. Step 3: Cross multiply
    2,030.06x = 2,798.60 × 1,440.38
  4. Step 4: Simplify right side
    2,030.06x = 4,031,047.47
  5. Step 5: Solve for x
    x = 4,031,047.47/2,030.06
  6. Step 6: Final answer
    x = 1,985.68

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Half scale
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Double scale
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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.