Home / 1,588.40-2,381.40-1,010.16

Finding the Fourth Proportional to 1,588.40, 2,381.40 and 1,010.16

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Solution

The fourth proportional to 1,588.40, 2,381.40 and 1,010.16 is: 1,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.40 : 2,381.40 = 1,010.16 : x
  2. Step 2: Convert to fraction form
    1,588.40/2,381.40 = 1,010.16/x
  3. Step 3: Cross multiply
    1,588.40x = 2,381.40 × 1,010.16
  4. Step 4: Simplify right side
    1,588.40x = 2,405,595.02
  5. Step 5: Solve for x
    x = 2,405,595.02/1,588.40
  6. Step 6: Final answer
    x = 1,514.48

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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.