Home / 3,045.81-4,203.72-2,298.60

Finding the Fourth Proportional to 3,045.81, 4,203.72 and 2,298.60

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Solution

The fourth proportional to 3,045.81, 4,203.72 and 2,298.60 is: 3,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.81 : 4,203.72 = 2,298.60 : x
  2. Step 2: Convert to fraction form
    3,045.81/4,203.72 = 2,298.60/x
  3. Step 3: Cross multiply
    3,045.81x = 4,203.72 × 2,298.60
  4. Step 4: Simplify right side
    3,045.81x = 9,662,670.79
  5. Step 5: Solve for x
    x = 9,662,670.79/3,045.81
  6. Step 6: Final answer
    x = 3,172.45

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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.