Home / 2,031.45-2,802.48-1,590.60

Finding the Fourth Proportional to 2,031.45, 2,802.48 and 1,590.60

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Solution

The fourth proportional to 2,031.45, 2,802.48 and 1,590.60 is: 2,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.45 : 2,802.48 = 1,590.60 : x
  2. Step 2: Convert to fraction form
    2,031.45/2,802.48 = 1,590.60/x
  3. Step 3: Cross multiply
    2,031.45x = 2,802.48 × 1,590.60
  4. Step 4: Simplify right side
    2,031.45x = 4,457,624.69
  5. Step 5: Solve for x
    x = 4,457,624.69/2,031.45
  6. Step 6: Final answer
    x = 2,194.31

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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.