Home / 2,417.30-3,335.90-1,355.16

Finding the Fourth Proportional to 2,417.30, 3,335.90 and 1,355.16

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Solution

The fourth proportional to 2,417.30, 3,335.90 and 1,355.16 is: 1,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.30 : 3,335.90 = 1,355.16 : x
  2. Step 2: Convert to fraction form
    2,417.30/3,335.90 = 1,355.16/x
  3. Step 3: Cross multiply
    2,417.30x = 3,335.90 × 1,355.16
  4. Step 4: Simplify right side
    2,417.30x = 4,520,671.47
  5. Step 5: Solve for x
    x = 4,520,671.47/2,417.30
  6. Step 6: Final answer
    x = 1,870.14

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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.