Home / 2,420.32-3,630.48-1,598.40

Finding the Fourth Proportional to 2,420.32, 3,630.48 and 1,598.40

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Solution

The fourth proportional to 2,420.32, 3,630.48 and 1,598.40 is: 2,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.32 : 3,630.48 = 1,598.40 : x
  2. Step 2: Convert to fraction form
    2,420.32/3,630.48 = 1,598.40/x
  3. Step 3: Cross multiply
    2,420.32x = 3,630.48 × 1,598.40
  4. Step 4: Simplify right side
    2,420.32x = 5,802,959.23
  5. Step 5: Solve for x
    x = 5,802,959.23/2,420.32
  6. Step 6: Final answer
    x = 2,397.60

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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.