Home / 1,875.79-2,586.91-1,562.10

Finding the Fourth Proportional to 1,875.79, 2,586.91 and 1,562.10

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Solution

The fourth proportional to 1,875.79, 2,586.91 and 1,562.10 is: 2,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.79 : 2,586.91 = 1,562.10 : x
  2. Step 2: Convert to fraction form
    1,875.79/2,586.91 = 1,562.10/x
  3. Step 3: Cross multiply
    1,875.79x = 2,586.91 × 1,562.10
  4. Step 4: Simplify right side
    1,875.79x = 4,040,999.18
  5. Step 5: Solve for x
    x = 4,040,999.18/1,875.79
  6. Step 6: Final answer
    x = 2,154.29

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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.