Home / 1,513.48-2,090.10-1,510.60

Finding the Fourth Proportional to 1,513.48, 2,090.10 and 1,510.60

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Solution

The fourth proportional to 1,513.48, 2,090.10 and 1,510.60 is: 2,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.48 : 2,090.10 = 1,510.60 : x
  2. Step 2: Convert to fraction form
    1,513.48/2,090.10 = 1,510.60/x
  3. Step 3: Cross multiply
    1,513.48x = 2,090.10 × 1,510.60
  4. Step 4: Simplify right side
    1,513.48x = 3,157,305.06
  5. Step 5: Solve for x
    x = 3,157,305.06/1,513.48
  6. Step 6: Final answer
    x = 2,086.12

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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.