Home / 1,615.02-2,420.23-957.03

Finding the Fourth Proportional to 1,615.02, 2,420.23 and 957.03

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Solution

The fourth proportional to 1,615.02, 2,420.23 and 957.03 is: 1,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.02 : 2,420.23 = 957.03 : x
  2. Step 2: Convert to fraction form
    1,615.02/2,420.23 = 957.03/x
  3. Step 3: Cross multiply
    1,615.02x = 2,420.23 × 957.03
  4. Step 4: Simplify right side
    1,615.02x = 2,316,232.72
  5. Step 5: Solve for x
    x = 2,316,232.72/1,615.02
  6. Step 6: Final answer
    x = 1,434.18

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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.