Home / 2,390.08-3,298.26-1,395.34

Finding the Fourth Proportional to 2,390.08, 3,298.26 and 1,395.34

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Solution

The fourth proportional to 2,390.08, 3,298.26 and 1,395.34 is: 1,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.08 : 3,298.26 = 1,395.34 : x
  2. Step 2: Convert to fraction form
    2,390.08/3,298.26 = 1,395.34/x
  3. Step 3: Cross multiply
    2,390.08x = 3,298.26 × 1,395.34
  4. Step 4: Simplify right side
    2,390.08x = 4,602,194.11
  5. Step 5: Solve for x
    x = 4,602,194.11/2,390.08
  6. Step 6: Final answer
    x = 1,925.54

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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.