Home / 1,535.49-2,291.90-1,427.13

Finding the Fourth Proportional to 1,535.49, 2,291.90 and 1,427.13

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Solution

The fourth proportional to 1,535.49, 2,291.90 and 1,427.13 is: 2,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.49 : 2,291.90 = 1,427.13 : x
  2. Step 2: Convert to fraction form
    1,535.49/2,291.90 = 1,427.13/x
  3. Step 3: Cross multiply
    1,535.49x = 2,291.90 × 1,427.13
  4. Step 4: Simplify right side
    1,535.49x = 3,270,832.11
  5. Step 5: Solve for x
    x = 3,270,832.11/1,535.49
  6. Step 6: Final answer
    x = 2,130.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.