Home / 1,445.03-2,166.17-1,316.63

Finding the Fourth Proportional to 1,445.03, 2,166.17 and 1,316.63

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Solution

The fourth proportional to 1,445.03, 2,166.17 and 1,316.63 is: 1,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.03 : 2,166.17 = 1,316.63 : x
  2. Step 2: Convert to fraction form
    1,445.03/2,166.17 = 1,316.63/x
  3. Step 3: Cross multiply
    1,445.03x = 2,166.17 × 1,316.63
  4. Step 4: Simplify right side
    1,445.03x = 2,852,043.24
  5. Step 5: Solve for x
    x = 2,852,043.24/1,445.03
  6. Step 6: Final answer
    x = 1,973.70

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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.