Home / 1,771.93-2,445.56-1,587.25

Finding the Fourth Proportional to 1,771.93, 2,445.56 and 1,587.25

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Solution

The fourth proportional to 1,771.93, 2,445.56 and 1,587.25 is: 2,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.93 : 2,445.56 = 1,587.25 : x
  2. Step 2: Convert to fraction form
    1,771.93/2,445.56 = 1,587.25/x
  3. Step 3: Cross multiply
    1,771.93x = 2,445.56 × 1,587.25
  4. Step 4: Simplify right side
    1,771.93x = 3,881,715.11
  5. Step 5: Solve for x
    x = 3,881,715.11/1,771.93
  6. Step 6: Final answer
    x = 2,190.67

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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.