Home / 2,948.36-4,415.34-2,870.60

Finding the Fourth Proportional to 2,948.36, 4,415.34 and 2,870.60

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Solution

The fourth proportional to 2,948.36, 4,415.34 and 2,870.60 is: 4,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.36 : 4,415.34 = 2,870.60 : x
  2. Step 2: Convert to fraction form
    2,948.36/4,415.34 = 2,870.60/x
  3. Step 3: Cross multiply
    2,948.36x = 4,415.34 × 2,870.60
  4. Step 4: Simplify right side
    2,948.36x = 12,674,675.00
  5. Step 5: Solve for x
    x = 12,674,675.00/2,948.36
  6. Step 6: Final answer
    x = 4,298.89

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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.