Home / 2,014.39-2,779.85-1,130.20

Finding the Fourth Proportional to 2,014.39, 2,779.85 and 1,130.20

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Solution

The fourth proportional to 2,014.39, 2,779.85 and 1,130.20 is: 1,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.39 : 2,779.85 = 1,130.20 : x
  2. Step 2: Convert to fraction form
    2,014.39/2,779.85 = 1,130.20/x
  3. Step 3: Cross multiply
    2,014.39x = 2,779.85 × 1,130.20
  4. Step 4: Simplify right side
    2,014.39x = 3,141,782.35
  5. Step 5: Solve for x
    x = 3,141,782.35/2,014.39
  6. Step 6: Final answer
    x = 1,559.67

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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.