Home / 1,595.17-2,200.75-1,071.55

Finding the Fourth Proportional to 1,595.17, 2,200.75 and 1,071.55

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Solution

The fourth proportional to 1,595.17, 2,200.75 and 1,071.55 is: 1,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.17 : 2,200.75 = 1,071.55 : x
  2. Step 2: Convert to fraction form
    1,595.17/2,200.75 = 1,071.55/x
  3. Step 3: Cross multiply
    1,595.17x = 2,200.75 × 1,071.55
  4. Step 4: Simplify right side
    1,595.17x = 2,358,213.66
  5. Step 5: Solve for x
    x = 2,358,213.66/1,595.17
  6. Step 6: Final answer
    x = 1,478.35

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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.