Home / 2,984.32-4,117.76-1,742.08

Finding the Fourth Proportional to 2,984.32, 4,117.76 and 1,742.08

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Solution

The fourth proportional to 2,984.32, 4,117.76 and 1,742.08 is: 2,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.32 : 4,117.76 = 1,742.08 : x
  2. Step 2: Convert to fraction form
    2,984.32/4,117.76 = 1,742.08/x
  3. Step 3: Cross multiply
    2,984.32x = 4,117.76 × 1,742.08
  4. Step 4: Simplify right side
    2,984.32x = 7,173,467.34
  5. Step 5: Solve for x
    x = 7,173,467.34/2,984.32
  6. Step 6: Final answer
    x = 2,403.72

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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.